HULK Metal has been engaged in the production and sales of Spherical Head Lifting Anchor for more than 20 years. In this article, we mainly introduce its materials, production, quality inspection, some uses, and how to choose a more suitable supplier. Through this article, you can understand it more fully.
it requires the use of a spherical head lifting clutch to complete the lifting of the concrete slab, and a spherical recess former is required to leave a spherical groove on the concrete precast slab.
Dog bone lifting anchor: because its overall shape resembles a dog's molar bone.
Lifting pin anchor: is the most direct name.
It needs to be produced with high-strength alloy steel bars, and common materials include 20Mn2, Q345, CM490. Of course, stainless steel is also used in some prefabricated concrete structures that need to be frequently dismantled and installed. Before production, the raw materials need to pass a certain tensile coefficient test.
It is usually produced by hot die forging. The brief steps are: cut the steel bar into a specific length, heat the steel bar, put the heated steel bar into the die, close the die, get the spherical head lifting anchor with flash, cut off the flash after cooling, and get the raw black finished product.
Common surface treatments include electrogalvanizing and hot-dip galvanizing. Many customers also purchase raw black, which means no surface treatment. In this case, we will apply a layer of anti-rust oil to it and do a good job of rust prevention during transportation.
has a brighter surface, better appearance, and the coating is more uniform than hot-dip galvanizing, but the coating is thinner.
has a whiter surface, relatively poor appearance, and the coating is not very uniform. But it is thicker overall.
When there is no requirement for coating thickness, the cost of hot-dip galvanizing is higher. As for the reason: hot-dip galvanizing requires a long time to maintain the molten state of zinc.
Quality inspection process includes the following:
Sampling inspection of raw materials: testing the tensile properties of raw materials. This process often requires more than 3 times the load capacity of the spherical head lifting anchor. For example: a spherical head lifting anchor with a SWL of 1.3 tons needs to be tested with more than 3 times the tensile force, that is, at least 3.9 tons. The finished product also needs to be strictly sampled using this standard. In addition, we will also conduct periodic breaking tests to test its ultimate tensile strength.
We will attach a detailed test report to each batch of goods.
Its use can be divided into two links, one is the installation link, and the other is the lifting link:
Its installation requires a recess former, you can refer to the picture below.
The recess former has three materials: plastic, rubber, and magnetic.
It can be installed on the horizontal and vertical surfaces of the precast concrete structure. There are several installation methods for the two installation methods:
For specific installation parameters, it is recommended that you consult a professional project company because we can only provide you with professional technical support on the product side.
The use of three anchors ensures that the static load is shared evenly.
If the anchors cannot be placed symmetrically to the center of gravity, the load on the anchors must be calculated according to simple static design rules.
Unequal loads on the anchors resulting from anchors positioned asymmetrically to the center of gravity:
The load always is searching for its position with the center of gravity under the hook.
If a lifting sling is used in a triangle form, the acting forces on the anchors (sling loads) are increased compared to simple vertical lifting. As the angle of lift (β) increases, the acting forces on the anchors and slings increase as well. This influence is taken into account by factor ω dependent on angle β.
For a beam with more than two suspension points and a panel with more than three, it is impossible to precisely work out the load per anchor, even if the anchors are arranged symmetrically to the load center. Due to unavoidable tolerances in the suspension system and the position of the anchors, it can never be determined whether the load on each anchor is equal.
The use of tolerance-compensating suspension systems (e.g. articulated lifting beam combinations, multiple slings with compensating rig, etc.) permits exact load distribution, but should only be used by experienced specialists, also bear in mind that such a system must be used both in the yard and on-site. In case of doubt, only two anchors should be assumed to be load-bearing.
Two anchors are recommended for beams and upright panels, and four anchors installed symmetrically to the load center are recommended for horizontal slabs. In both instances, two anchors will be bearing equal loads.
The use of three anchors ensures that the static load is shared evenly.
Number of loadbearing anchors: n = 3
Only two anchors can be assumed to be load-bearing for an arrangement of four independent cable runs or continuous diagonal cable runs.
Number of Spherical Head Lifting Anchors: n = 2
A perfect static weight distribution can be obtained by the use of a spreader beam and two pairs of anchors set out symmetrically.
Number of Spherical Head Lifting Anchors: n = 4
The system with a compensating rig makes it possible to distribute the load evenly over 4 anchors.
Number of Spherical Head Lifting Anchors: n = 4
A perfect static weight distribution can be obtained using a crossed spreader beam, which avoids angled pull.
Number of Spherical Head Lifting Anchors: n = 4
Its lifting needs to be completed by a dedicated spherical head clutch. For specific content, please refer to the article on Lifting Clutch:
It can be installed in prefabricated concrete parts such as culverts, prefabricated houses, stairs, etc. to provide connection points for their hoisting.
A suitable supplier does not mean that he needs to be excellent or even the top in the industry, as long as he can meet your requirements and continue to provide high-quality services in your future development.
Companies with technical teams can make reasonable technical suggestions based on your needs and develop perfect solutions when you have customized needs. For mature products such as spherical head lifting anchor, there may not be special requirements. When you need to purchase some special similar products, you can also ask your suppliers (if they have a technical team), and they will develop a more reasonable solution for you.
Some suppliers will meet your purchasing needs at this stage. But as you continue to progress, you need to purchase more other types of products. At this time, the role of a suitable supplier is to develop with you, meet your needs, and continue to surprise you.
For example: At this stage, you only purchase spherical head lifting anchors with SWL between 1.3 Ton - 10ton. They can meet your requirements. When you purchase products from other units, they can also meet your requirements. And other products such as lifting clutch, recess former, or lifting sockets can be provided. At this time, they will become your solid backing.
We have summarized the current types of suppliers: those with inventory and those without inventory.
It is reflected in his inventory capacity. They often have a large inventory to deal with your urgent and large-volume order purchases. This kind of supplier will incur certain costs such as storage costs, capital costs, etc. And these costs will be included in the unit price of the spherical head lifting anchor, which will lead to price increases. Therefore, it is more appropriate to choose a supplier with inventory when your needs are urgent.
It is reflected in their production capacity and factory management capabilities. They often have abundant factory resources to deal with the production scheduling after receiving orders. Through this flat management, the production of multiple orders can be started at the same time. Even if there is no inventory, a certain amount of goods can be delivered in a shorter time. Because there is no restriction on capital retention costs, storage costs, and time costs, the unit price of a spherical head lifting anchor is lower. Therefore, it is more appropriate to choose a supplier with no inventory and factory resources for orders that are not urgent.
It can be mainly divided into service items and service quality for comprehensive consideration.
Reflected in the ability to integrate the supply chain. A supplier with a complete supply chain can not only handle products but also provide packaging, transportation and other services you may need to help you save more time and energy.
reflected in the comfort level of customers. For example, when we serve customers, customers only need to make requests and we will try our best to meet them. Helping customers save time is also our priority. They do not need to go to the factory again and again to check the production progress in person, but will receive implementation reports from us in various ways.
Choosing a supplier with strong service capabilities can save you more time and energy and handle multiple orders at the same time.
Strong service capabilities do not mean that costs will increase a lot because improved efficiency often means more savings.
We are an experienced and responsible supplier. We are very eager to serve you, but we hope you can find a more suitable supplier. Of course, before that, you can contact us to get a quote and experience our services for comparison.
Discover the full spectrum of production services that complement spherical-head lifting anchor manufacturing. From custom forging and precision machining of the spherical head, to heat treatment, galvanizing or powder-coating for corrosion resistance, and CNC bending or threading for secure embedment—these services ensure your lifting anchors are robust, durable, and tailored to your project’s exact specifications.
HULK Metal has been focusing on providing high-standard metal product production and quality inspection services to global users since 2004. So far, it has integrated a complete supply chain and an advanced quality control center, as well as a professional service team.
Metal forging is a manufacturing process that forms metal into parts with specific shapes and properties by applying pressure to a metal billet heated to a specific temperature. Forging can improve the mechanical strength, toughness, and fatigue resistance of the parts. HULK Metal provides one-stop custom metal forging services with full-process capabilities. From mold making and billet cutting to forging, CNC machining, and surface treatment, we deliver stronger, longer-lasting parts with better performance and lower cost.
HULK Metal offers premium hot die forging services to help you manufacture high-strength, complex-shaped metal parts with excellent surface quality. We specialize in forging gears, flanges, connecting rods, and other custom components for industries like construction, mining, automotive, and machinery. Backed by top-tier forging equipment, skilled technicians, and a strict quality control system, we ensure precision and consistency at scale. From drawing review to final delivery, our team provides full support to help you streamline your supply chain and get more competitive in your market.
Explore an extended range of precast concrete accessories that work seamlessly with spherical-head lifting anchors. Highlights include steel lifting inserts, concrete shear connectors, cast-in lifting loops, grout access sleeves, and temporary alignment anchors. Each component is designed for efficient handling, reliable load transfer, and precise alignment in precast elements—ensuring smooth installation in diverse architectural and infrastructure applications.
Our foot anchors come in a variety of sizes to suit different precast concrete lifting needs, with precise dimensions tailored for optimal performance. Each anchor's Working Load Limit (WLL) is clearly specified to ensure maximum safety during handling and lifting. HULK Metal's parameters guarantee reliable strength and compatibility, meeting industry standards to support secure and efficient lifting operations on any construction site.
Here we show all the load groups, dimensions, surface treatments and other information of Lifting Pin Anchor that we can currently provide. If you want to know more, please leave us a message or download our product catalog. We look forward to your ordering to us. We will develop a perfect solution and the most competitive price for you.
Our lifting pin (dog bone) anchors are available in various sizes, load capacities, and surface treatments to suit different precast concrete applications. Manufactured from high-quality steel, each anchor meets strict dimensional and performance standards. Detailed specifications, including length, diameter, and rated load, ensure compatibility with standard lifting systems. We can also customize parameters based on your drawings or project requirements, providing optimal lifting solutions that improve safety, efficiency, and durability in your construction or precast production processes.
HULK Metal offers precast concrete lifting eye anchors in a range of sizes and load capacities to meet the needs of different types of projects. Material grade, usually high-strength steel like 20Mn2 or Q345, lengths between 50 and 300 mm, and safe working loads up to 32 tons are important considerations. Corrosion resistance is increased by surface treatments like electric galvanizing and hot dip. In demanding environments, these anchors perform better than standard options thanks to their threaded ends for secure embedding and eye diameters optimized for clutch compatibility.
The parameters of precast concrete double head lifting pin anchors include detailed dimensions and Working Load Limits (WLL) to ensure correct selection for your project. HULK Metal provides precise specifications for each size, helping you match anchors to specific lifting requirements. All parameters comply with CE and ISO 9001 standards, ensuring consistency, safety, and compatibility with related lifting systems. Accurate data supports safe handling and optimal performance in precast concrete construction.
HULK Metal can provide CE-certified spherical head lifting anchors. We have an ISO 9001-certified forging factory to produce your order. A full range of molds can produce a full range of products. A well-equipped quality control center can conduct factory, mechanical properties, chemical properties, and other indicators. Each product can be tested 3 times safety equal to the tensile test. You are welcome to contact us at any time to visit the factory and place an order. We will provide you with more competitive quotations and quality services.
The table here shows the materials, certifications, surface treatments, specific parameters and corresponding CODEs of Lifting Pins for Precast Concrete that we can provide. You can get them through the download button above.
The Short Wavy Tail Anchor comes in a range of sizes and SWL capacities to suit various precast concrete applications. Available in materials including stainless steel, Q345, Q235, and 20#, it features raw, electro-galvanized, or hot-dip galvanized finishes. With a minimum safety factor of 3 and CE/ISO 9001 certification, each anchor ensures reliable performance. Detailed parameters include thread size, height, diameter, embedment depth, and DS, providing precise load handling for secure lifting.
We currently offer two types of wavy tail anchors: short and long. The difference between them is the distance from the extrusion point to the wavy tail. You can see their specific sizes in the table below. You can directly tell us the specific model and quantity. We will provide a better quotation.
Here are the models, thread types, load groups and other information of various types of Precast Lifting Thread Inserts. You can click to jump to the corresponding product details to learn more. You can also contact us directly to get a quote.
This table shows our Flat End Lifting Insert material, thread standard, SWL, surface treatment, unit weight, certification, safety factor and other information. You can click the button below the product to download the product brochure for more details.
Here is the parameter table of Solid Rod Lifting Insert, which shows the Solid Rod Lifting Insert size, surface treatment, certification, material, SWL, CODE and other information we can provide. If you need to know more, you can contact us at any time to obtain it.
HULK Metal's solid rod lifting and fixing sockets come in various sizes to match different load requirements. Built with materials like stainless steel or Q235, they undergo rigorous testing for safety. The table below outlines key dimensions and safe working loads, helping you select the right fit for your precast concrete needs.
Our combi lifting socket range includes various sizes and working load limits (WLL) to match diverse lifting requirements. Each model is precisely machined for accurate dimensions and optimal performance. Detailed parameters cover length, thread size, anchor dimensions, and rated load capacity, ensuring you can select the right product for your precast concrete lifting application. Specifications comply with CE and ISO 9001 standards for safety and reliability in every lifting task.
Our Flat End Fixing Socket with Cross Pin is available in multiple sizes and Safe Working Load (SWL) capacities to match diverse lifting needs. Each dimension is carefully engineered for optimal performance and verified through strict quality inspections. Whether for heavy or standard precast components, you can rely on precise specifications, consistent manufacturing tolerances, and a proven safety factor to deliver dependable results in every construction project.
Explore the detailed parameters of our fixing sockets with Bent ends, including various sizes and working load limits (WLL). These specifications help you select the right option for your precast concrete needs. Our products come in multiple diameters and lengths, with WLL ratings that ensure safer handling than basic alternatives. This overview highlights how our sockets deliver stronger performance across construction projects, backed by precise engineering for better integration and longevity.
Here, you can learn about the material, surface treatment, thread type, SWL and unit weight of the Tubular Lifting Insert we can supply. The price needs to consider the specific requirements such as model, quantity, packaging and transportation. You can contact us for more information.
Here you can see the material, surface treatment, SWL range, thread standard and range, CODE and surface treatment of Long Wavy Lifting Insert. You can click on the information above to download these contents for your better viewing.
HULK Metal provides detailed parameters for Solid Rod Fixing Sockets with Crossbar, including safe working loads, dimensions, and material options. These specs ensure compatibility with precast concrete applications, from thread diameters to lengths, all backed by certifications for reliable performance in bulk projects.
Our parameter table provides detailed specifications for each flat end lifting socket, including dimensions, safe working load (SWL), and thread size. This information ensures you can select the correct lifting insert for your precast concrete application. HULK Metal's precision manufacturing guarantees that all parameters strictly meet CE and ISO standards, delivering optimal compatibility, superior performance, and enhanced safety for lifting operations across diverse construction and infrastructure projects.
Our tubular lifting sockets are available in multiple sizes and safe working load options to suit various precast concrete lifting needs. Made from stainless steel or quality carbon steel, they feature precise threads, a safety factor above 3 times, and durable surface treatments. CE and ISO 9001 certified, each socket is manufactured and inspected to ensure consistent dimensions, load capacity, and performance, giving you confidence in every lifting application.
Our Long Wavy Lifting Socket range offers multiple load capacities, from 0.5 tons to 8.0 tons, to suit diverse precast lifting needs. Made from high-quality stainless steel, Q345, Q235, or 20# steel, each socket undergoes precision threading, strict tolerance checks, and optional surface treatments like electro-galvanizing or hot-dip galvanizing. With a minimum 3× safety factor and CE/ISO 9001 certification, these anchors deliver strength, durability, and reliable performance for demanding construction projects.
Crown Foot Anchors come in various sizes to suit diverse precast needs, with thread diameters ranging from M12 to M30 and lengths from 60mm to 155mm. Working Load Limits (WLL) start at 0.5 tons for smaller units and reach up to 3 tons for heavier applications, always maintaining a safety factor exceeding three times the rated capacity. These parameters allow versatile use in thin panels and slabs, where edge distances and panel thicknesses dictate optimal placement for maximum stability. Our team customizes dimensions based on your drawings, ensuring precise fits that enhance project safety and speed.
HULK Metal's flat plate lifting sockets come in a range of sizes tailored for various safe working loads, from 0.5 to 12.5 tons. Key parameters include thread diameters, heights, and base dimensions, all crafted from materials like stainless steel or Q235 for optimal strength. Surface treatments such as hot-dip galvanizing enhance corrosion resistance, while certifications ensure compliance. This table outlines specifications to help select the right socket for your precast concrete needs, balancing compactness with high performance.
Explore the key parameters of our flat end fixing sockets, including various sizes and working load limits (WLL) tailored to your needs. These details ensure compatibility with your precast concrete applications, from small panels to larger structures, providing stronger holds and better performance under stress.
HULK Metal's plate spread anchors come in standard sizes tailored for different load capacities, from 2.5 to 10 tons SWL. Materials include 20Mn2, Q345D, or customizable stainless steel, with surface treatments like raw, electro-galvanized, or hot-dip galvanized for enhanced durability. Each anchor boasts a safety factor of at least three, backed by ISO9001 and CE certifications. The table below details dimensions and codes, helping you select the right fit for your precast concrete needs. Contact our technical team for custom variations based on your requirements.
Our unilateral erection anchors come in various sizes to suit different safe working loads (SWL) from 2.5 to 26 tons, accommodating diverse precast concrete needs. Made from robust materials such as 20Mn2, Q345D, CM490, or stainless steel, they offer customizable options with surface treatments like electro-galvanized or hot-dip galvanized. Each anchor maintains a safety factor of at least 3, backed by ISO9001 and CE certifications. The table below details dimensions, ensuring precise fits for columns, beams, and wall panels in bulk production runs.
This section outlines key specifications for flat foot anchors, including safe working loads and dimensions to guide selection for precast projects. HULK Metal offers models from 2.5 to 26 tons SWL, crafted from durable steels with options for galvanized finishes. These parameters ensure compatibility with diverse concrete elements, supporting safer and more efficient lifts. Bulk buyers benefit from our ability to customize based on exact needs, backed by certifications that guarantee performance.
HULK Metal's erection anchors come in various sizes with safe working loads from 2.5 to 10 tons, made from materials like 20Mn2 or customizable options. These parameters ensure compatibility with diverse precast concrete elements, supported by our production expertise for bulk customization.
Our spread anchors are available in multiple sizes and safe working load capacities to meet different lifting demands. Manufactured from high-grade steels such as 20Mn2, Q345D, CM490, or stainless steel, they can be customized with suitable surface treatments. Each spread anchor is CE and ISO9001 certified with a minimum safety factor of three, ensuring consistent performance, durability, and compliance with international standards for precast concrete lifting applications.
HULK Metal's two hole anchors are available in various sizes and safe working loads (SWL) to suit diverse precast concrete applications. Crafted from high-strength materials like 20Mn2, Q345D, or stainless steel, they ensure durability and safety. With surface treatment options such as electro-galvanizing or hot-dip galvanizing, our anchors meet strict CE and ISO 9001 standards, guaranteeing reliable performance for bulk buyers across global projects.
Our Precast Concrete Lifting Lugs are available in multiple sizes and working load limits (SWL) to meet diverse precast concrete lifting needs. Manufactured from Q345D, Q355D, CM490, or G30CrMoV steel, they feature electro-galvanized surfaces and a minimum safety factor of 5. With CE and ISO 9001 certifications, each lifting lug ensures consistent strength, durability, and reliable performance, making them suitable for lifting and handling various precast concrete elements efficiently.
The Dog Bone Lifting Eye is available in multiple sizes and load capacities to meet different project requirements. Each unit is manufactured from high-quality steel, electro-galvanized for enhanced corrosion resistance, and tested to a safety factor of five times. With CE and ISO9001 certification, our lifting eyes ensure consistent performance. Bulk buyers can choose from a wide range of SWL options, making them ideal for various precast concrete lifting applications.
Our lifting clutch for pin anchor is engineered from high-grade materials such as Q345D, Q355D, CM490, and G30CrMoV, with customizable options available. Each clutch is electro-galvanized for enhanced corrosion resistance and tested to meet a minimum 5:1 safety factor. Certified by CE and ISO9001, the clutches are available in different safe working load (SWL) capacities, ensuring reliable lifting performance across varied construction and precast concrete projects.
We show you the material, test index, certification, size and CODE of Dog Bone Lifting Eye With Chain in a table. You can find what you want more clearly. If you need more parameters or inquire about the price, please contact us.
The parameter section of the Ring Clutch provides details on available sizes and Safe Working Load (SWL). Each model is clearly defined to match different precast lifting requirements. With strict load group markings and compliance with CE standards, customers can easily select the right clutch for their projects. These specifications help ensure that lifting operations remain safe, efficient, and fully aligned with international construction safety standards.
We can provide precast concrete lifting eyes made of high performance alloy steel with CE certification. The following table details some important parameters such as Safety Factor, Certification, Materials, SWL, etc. You can contact us at any time to get a quotation for the corresponding specifications.
The parameters of the Combination Ring Clutch provide clear details on dimensions, working load limits, and load groups, allowing customers to select the most suitable model for their project. Each clutch is designed with a five times safety factor to guarantee safety during lifting operations. By comparing specifications, buyers can quickly match the correct clutch with their spread anchors, ensuring efficiency, precision, and reliability in precast concrete handling.
We are able to provide clevis slip hooks in all sizes in the form. In addition to that, we also provide OEM service, and the engineers will make a perfect solution according to your drawings and give a more reasonable quotation.
Here are the specifications of the Clevis Grab Hooks we can offer. The table contains information such as CODE, Size, WLL, etc. You can tell us directly about CODE and quantity, and we will give you a more satisfactory quote.
HULK Metal currently offers eye grab hooks from 1/4"to 3/4". The following table shows the CODE and the corresponding specifications. You can choose the appropriate CODE according to the size of the chain. We support OEM services and can develop a complete solution based on the drawings or samples you send us, and give a more reasonable quotation.
HULK Metal can provide eye slip hooks in 7 sizes from 1/4" to 3/4" in both carbon steel and alloy steel, and in three surface treatments: electro-galvanized, hot-dip galvanized and powder sprayed. The table provides detailed product parameters, you can view them, or click the button on the upper right to download the catalog to learn more.
The parameter table of Rubber Recess Former clearly shows available sizes and load capacities. Buyers can easily choose suitable types from 1.5 to 32 tons, ensuring compatibility with Pin Anchor and Spread Anchor lifting systems.
Our lifting pin anchor recess former come in multiple configurations to match specific load demands in precast concrete projects. The table below details dimensions, weights, and safe working loads, helping you select the right model. Made from customizable rubber, these ensure compatibility with various anchors. We prioritize precision in sizing for better integration, reducing risks during lifting operations compared to generic options.
Precast Magnetic Formers have various styles, including fixed Precast Frame, Lifting Anchors Sockets and Spread Anchors. You can download our product catalog.
The parameters of Spread Anchor Rubber Recess Former cover multiple working load limits from 2.5 tons to 26 tons, providing flexibility for different precast concrete projects. Each type is designed with precise dimensions to match specific spread anchors, ensuring stable positioning and reliable lifting performance. Made from durable rubber with customizable options, these recess formers meet ISO9001 and CE standards, making them suitable for various construction and lifting applications.
As one of the excellent magnetic recess former suppliers in China, HULK Metal has advanced factories and a perfect supply chain to provide you with high-quality products and services. We can provide magnetic recess former with load group of 1.3, 2.5, 5, and 10 tons. Advanced quality inspection equipment and professional quality inspection personnel can ensure that each batch of goods meets higher qualification rates and quality requirements. We provide quality assurance services, you can rest assured to give us your order.
HULK Metal can provide CE-certified magnets for precast lifting and fixing inserts or sockets. Our factory has advanced machining equipment, laser cutting machines, and assembly lines, which can more efficiently complete CE-certified precast lifting fixing insert socket magnet with a higher pass rate. Our supply chain can help you save more costs through consistent management from top to bottom. Quality assurance service is our confidence in quality and our guarantee to you. You can rest assured to give us your order.
The parameters of Electrical Box Fixed Magnets include material, shape, size, and surface treatment options, allowing customization for different project requirements. The body is made of high-quality rubber, while NdFeB magnets provide strong holding power. With ISO 9001 and CE certifications, every batch meets international quality standards. Square, round, and other shapes are available. Surface treatment options like electro-galvanizing ensure enhanced durability in demanding precast concrete applications.
The parameters of Shuttering Magnets for Formwork include magnet strength, fixing body material, and surface treatment options. These Formwork Magnets are available in stainless steel, carbon steel, or alloy steel, ensuring durability and adaptability. Certificates such as ISO 9001 and CE guarantee consistent quality.
The Embedded Corrugated Pipe Fixed Magnet comes in different sizes, materials, and magnetic strengths to fit various corrugated pipe dimensions used in precast concrete. Each product is manufactured with strict quality control to ensure precision and durability. Customers can request customized designs, magnetic force adjustments, and base sizes according to their project needs. With flexible OEM/ODM support, HULK Metal delivers magnets that perform reliably and meet international standards for different concrete applications.
The parameters of Cast In Channel T Bolts cover standard and customized dimensions to meet diverse structural needs. Each bolt is designed with high load-bearing capacity and tested Safe Working Load (SWL) values to guarantee safety. Available in various thread sizes, head dimensions, and finishes, our T Bolts are suitable for different cast-in channel systems. Technical support ensures buyers receive accurate specifications for seamless installation and long-term performance.
HULK Metal's HALFEN Anchor Channels come in a range of dimensions and safe working loads (SWL) to suit diverse precast concrete applications. Each channel is precisely manufactured with cold-rolled or hot-rolled steel, ensuring structural integrity. SWL values are clearly specified to meet project requirements, and all products undergo strict quality control. This allows bulk buyers to select the exact channel type with confidence in performance and safety for their concrete projects.
The parameter section presents the detailed specifications of our precast wall connection wire loop boxes, including available sizes, breaking loads, and safe working loads. These values allow engineers and contractors to choose the most suitable type for their structural requirements. With CE and ISO 9001 certification, every wire loop box is manufactured under strict quality control, ensuring dependable performance and safety for different precast wall connection projects.
The parameters of our Cast in Channel cover a wide range of hot-rolled and cold-rolled types to suit different load requirements. Each specification ensures safe working loads, precise geometry, and compatibility with matching T-bolts. With certified strength and accurate dimensions, our HALFEN Channel products guarantee safer installation and reliable performance in precast concrete structures, giving engineers and contractors greater flexibility and confidence in large-scale projects.
Concrete screw bolts are available in different diameters, lengths, head styles, and surface treatments. At HULK Metal, we support customization according to drawings and requirements. Our galvanized concrete bolts come with electro-galvanizing and hot-dip galvanizing finishes, ensuring long service life. We provide a full range of dimensions to meet different project applications, from precast construction to heavy-duty industrial installations. Bulk buyers can benefit from efficient production and consistent quality.
The parameters of HULK Metal's cast in loops include a range of diameters, lengths, and working load limits (WLL) to suit different precast concrete lifting needs. Each loop is manufactured to precise dimensional tolerances and tested for tensile strength exceeding three times its rated capacity. With clear specifications, you can select the right cast in lifting loop to ensure optimal performance, safety, and efficiency for your specific construction application.
Our lifting loops come in a wide range of sizes and safe working loads to suit various precast concrete lifting needs. Each is crafted from durable alloy or carbon steel and finished with electro-galvanizing for superior corrosion resistance. With a safety factor of four or more, precision threading, and CE/ISO 9001 certification, they deliver reliable performance, easy compatibility with lifting sockets, and consistent quality in demanding construction environments.
The HULK Metal handrail bracket structural pipe fittings come with detailed dimensions, hole sizes, and pipe diameters that match to make sure they work together. There are many types of surface treatments that can be used to meet different environmental needs. These include hot-dip galvanizing, double-coating galvanizing, and powder coating. Every product has its code that makes it easy to find and order, which helps you keep track of projects better while making sure they are always high quality and work the same way.
HULK Metal manufactures Internal Swivel Tee Structural Pipe Fittings in different tube sizes to suit various project requirements. We provide options in malleable iron, ductile iron, and customizable materials, all available with galvanizing, powder-coating, or special finishes. Standard tube sizes include 33.7 mm, 42.4 mm, and 48.3 mm, with additional customization available upon request. These fittings are designed to meet higher structural performance and provide longer-lasting protection against corrosion.
Our Three Socket Angle Tee Structural Pipe Fitting is available in multiple tube sizes and customizable designs to fit diverse project requirements. Customers can choose from durable malleable iron, ductile iron, or stainless steel with various surface finishes, including galvanizing and powder coating. With adjustable angles from 0–11 deg, this fitting ensures flexible installation and long-lasting performance. Each fitting is manufactured under strict standards, ensuring consistency, reliability, and high load capacity.
Our Slope Short Tee Structural Pipe Fittings are produced with strict dimensional accuracy and high-quality materials. They are available in malleable iron, ductile iron, or customized alloys, and can be finished with galvanizing, powder coating, or other protective layers. Multiple tube sizes and angles (0–11 degrees) ensure compatibility with different project requirements. Customizable options are also available to meet the special needs of industrial and architectural applications.
The parameters of base flange structural pipe fittings include different sizes, codes, surface treatments, and dimensions to match a variety of pipes. Each type is carefully produced with precise casting and strict testing to ensure reliability. Options such as hot-dip galvanizing, double galvanizing, and powder coating provide enhanced corrosion resistance. Buyers can select the most suitable specifications according to application needs, ensuring better adaptability and long-term performance in structural projects.
The parameters of Railing Base Flange Structural Pipe Fittings include detailed size options, different pipe compatibility, and surface treatment codes. Buyers can choose from hot-dip galvanized, double galvanized, powder coating, or raw black finishes to match project needs. Each size provides accurate dimensions to ensure easy installation and secure support. These fittings are designed for reliable use in railing uprights, safety barriers, and various structural frameworks, meeting diverse customer requirements.
The parameters of external sleeve joint structural pipe fittings cover dimensions, surface finishing, and product codes. These fittings are available in multiple pipe sizes to match different railing or structural requirements. Customers can choose from hot-dip galvanizing, double galvanizing, powder coating, or raw black finishes. Each fitting has a specific code for easy identification, ensuring you can order and manage products more efficiently for your projects.
Our Swivel Base Flange structural pipe fittings are available in a range of sizes and materials to meet diverse project requirements. Choose from malleable iron, ductile iron, or customizable materials, with surface treatments like galvanizing, powder coating, or custom finishes. Standard tube sizes include 26.9mm, 33.7mm, 42.4mm, 48.3mm, and 60.3mm, while bespoke options are available. Each fitting is precision-engineered to ensure secure, long-lasting connections in industrial, commercial, and DIY applications.
Our Clamp on Tee Structural Pipe Fittings are available in multiple tube sizes to fit diverse applications, with customizable material options including malleable iron, ductile iron, and other metals. Surface treatments such as galvanized, powder-coated, or custom finishes enhance durability and corrosion resistance. Each fitting is produced to meet strict international codes and standards, providing reliable performance for structural projects, guardrail systems, handrails, and DIY installations, ensuring safety and long-lasting use.
Our Two Socket Cross Structural Pipe Fittings are available in multiple sizes and materials to meet different construction needs. They can be made of malleable iron, ductile iron, or customized materials, and are offered with hot-dip galvanizing, powder coating, or other surface treatments for enhanced durability. With size options ranging from 26.9mm to 60.3mm, and customizable specifications, they can perfectly match your project requirements.
The Three Socket Tee Structural Pipe Fitting comes in multiple sizes to fit tubes ranging from 26.9mm to 60.3mm, with customizable options for other dimensions. HULK Metal offers a choice of materials such as malleable iron, ductile iron, or aluminum, with surface treatments including galvanizing, powder coating, or tailored finishes. This flexibility ensures suitability for a wide range of environments, from industrial projects to outdoor guardrail systems.
HULK Metal Side Outlet Elbow Structural Pipe Fittings are available in a wide range of sizes to meet different system requirements. Customers can choose from various surface finishes, including hot-dip galvanizing, double-coating galvanizing, and powder coating, to suit different environments. Each fitting is designed with accurate dimensions and product codes, making selection and installation easier, faster, and more reliable for international projects.
The parameters of the Variable Swivel Elbow Structural Pipe Fitting cover material options, surface treatments, and tube size compatibility to meet different project requirements. You can choose from malleable iron, ductile iron, stainless steel, or aluminum, and apply galvanizing, double-coating, or powder-coating finishes. Various tube sizes are available to fit different systems, and customization options are provided to meet specific structural demands.
The Reducing Short Tee Structural Pipe Fitting comes in a variety of tube size combinations to meet different railing and construction needs. Manufactured with malleable or ductile iron, it offers strength, stability, and long service life. Customers can choose from galvanized, powder-coated, or custom finishes to match specific project requirements. Additional sizes and OEM solutions are available to support diverse applications worldwide.
The parameters of the Single Socket Tee Structural Pipe Fitting demonstrate its adaptability for diverse projects. Available in malleable iron, ductile iron, or customized materials, it can be finished with galvanizing, powder coating, or other treatments to ensure corrosion resistance. With standard tube sizes of 33.7mm, 42.4mm, and 48.3mm, plus customizable options, HULK Metal guarantees fittings that precisely match your installation needs.
HULK Metal provides Single Lugged Bracket Structural Pipe Fittings with customizable specifications to meet different project requirements. You can choose from malleable iron, ductile iron, or other requested materials. The surface can be treated with galvanizing, powder coating, or tailored finishes for enhanced durability. Standard tube sizes include 33.7mm, 42.4mm, and 48.3mm, while customized dimensions are also available to suit unique applications.
The Vertical Railing Side Support Structural Pipe Fitting parameters showcase its adaptability and strength. Made from malleable or ductile iron, with options for galvanized, powder-coated, or customized surface treatments, it is designed to fit common tube sizes such as 33.7mm, 42.4mm, and 48.3mm. Additional customization is available to meet diverse project requirements, ensuring compatibility with international standards and delivering reliable performance across different installation environments.
Our Cradle Clamp Structural Pipe Fittings are available in multiple tube sizes, including 33.7mm, 42.4mm, and 48.3mm, with customizable options to match specific project needs. Each fitting is manufactured from high-quality malleable or ductile iron and can be finished with galvanizing, powder coating, or other requested surface treatments. With standardized dimensions and accurate machining, these fittings ensure secure assembly, consistent quality, and adaptability for various railing and structural pipe systems.
Our Horizontal Railing Side Support Structural Pipe Fittings are available in multiple tube sizes including 33.7mm, 42.4mm, and 48.3mm, with customizable options to meet your project needs. Produced from malleable or ductile iron, they can also be tailored with alternative materials. Multiple surface treatments such as galvanizing and powder coating are provided, ensuring corrosion resistance and a longer service life in different environments and installation conditions.
HULK Metal provides Adjustable Short Tee fittings in multiple tube sizes, ranging from 26.9 mm to 48.3 mm, with an adjustable angle of 30 deg–60 deg. These fittings can be customized in materials such as malleable iron or ductile iron, with surface treatments including galvanizing or powder coating. The flexibility in specifications and finishes ensures compatibility with diverse project requirements and guarantees reliable performance in different installation environments.
The Single Swivel Combination Structural Pipe Fitting comes in a wide range of tube sizes from 26.9mm to 60.3mm, with customizable options to meet project-specific requirements. Made from malleable iron, ductile iron, or customized materials, it supports multiple surface treatments, including galvanizing and powder coating. Each product is manufactured to strict standards, ensuring consistency, durability, and compatibility with different structural pipe systems.
The Add on Short Tee Structural Pipe Fitting is available in multiple tube sizes to suit different system requirements. Produced with malleable iron, ductile iron, or custom materials, the fittings can be finished with galvanizing, powder coating, or special treatments. Each product is manufactured with strict quality standards to ensure durability, precision, and compatibility. Customers can also request tailored dimensions and surface finishes for specific applications.
The parameters of Variable Elbow Structural Pipe Fitting include multiple pipe size options, corrosion-resistant surface treatments, and internationally standardized codes. Customers can select from hot-dip galvanizing, double-coating galvanizing, or powder coating depending on the application environment. Each fitting is designed to meet precise dimensional accuracy, ensuring smooth installation and compatibility. With clear specification codes, buyers can easily choose the right size and surface finish for their project needs.
The Adjustable Angle Two Socket Cross Structural Pipe Fitting is produced with malleable iron, ductile iron, or customizable materials. Available surface treatments include galvanizing and powder coating for enhanced protection. It fits standard tube sizes of 33.7mm, 42.4mm, and 48.3mm, with adjustable angles ranging from 45° to 90°. Customization options are also available, allowing you to choose the best dimensions and finishes for your project requirements.
Our Galv Ground Socket Structural Pipe Fittings are available in various tube sizes to meet different construction needs. Manufactured with malleable iron, ductile iron, or customized materials, they offer both strength and flexibility. The surface treatment can be galvanized, powder-coated, or customized to enhance corrosion resistance. Standard tube sizes include 33.7mm, 42.4mm, and 48.3mm, while customized options are available to suit specific project requirements.
HULK Metal produces Side Palm Fixing Structural Pipe Fittings in multiple sizes and materials to suit diverse railing applications. Standard socket dimensions cover tube sizes of 33.7mm, 42.4mm, and 48.3mm, with options for customization. Customers can choose surface treatments such as hot-dip galvanizing, double-coating, or powder coating for enhanced corrosion resistance. Each fitting is produced under strict quality control to ensure accuracy, durability, and long-term performance in various projects.
The Double Lugged Bracket Structural Pipe Fitting is available in multiple sizes and surface finishes to fit diverse structural applications. Manufactured with malleable iron, ductile iron, or customized materials, it can be treated with galvanizing, powder coating, or other finishes. Standard tube compatibility ranges from 26.9mm to 48.3mm, with customizable options available. Each fitting is precisely designed and coded to meet international quality and installation standards.
HULK Metal's Double Male Swivel Structural Pipe Fittings are manufactured with strict dimensional standards and various surface treatments, such as hot-dip galvanizing or powder coating, to enhance durability. Multiple tube sizes from 26.9mm to 60.3mm are available to meet different structural requirements, and customization is supported. Each product is identified with specific codes for easy procurement and project management, ensuring seamless integration into your system.
Our Plug Structural Pipe Fittings are manufactured with malleable iron, ductile iron, or customized materials to meet different project requirements. Multiple surface treatments such as galvanizing or powder coating ensure durability and corrosion resistance. Standard sizes fit common tubes ranging from 26.9 mm to 60.3 mm, with customization available. Each product is precisely designed and tested to ensure secure fitting, reliable sealing, and long-lasting performance in various structural systems.
Our Hook Structural Pipe Fittings come in multiple sizes to fit different pipe diameters. They are available in cast iron, stainless steel, and aluminum with surface treatments including hot-dip galvanizing, double-coating galvanizing, and powder coating. Each hook meets international quality standards, and their dimensions, materials, and coatings are carefully selected to ensure durability, corrosion resistance, and compatibility with your handrail or pipe systems.
Our slope railing base flange pipe fittings are available in multiple sizes and surface finishes to match different railing system requirements. With precise dimensions and high-quality materials such as malleable iron and ductile iron, these fittings provide superior stability and performance. Options include hot-dip galvanizing, double galvanizing, powder coating, or raw black finish, allowing you to choose the most suitable treatment for your application environment.
Our gate hinge structural pipe fittings are available in multiple sizes to match standard pipes, ensuring easy installation and reliable strength. Each hinge can be supplied with hot-dip galvanized, double galvanized, powder-coated, or raw black surfaces, providing excellent resistance to corrosion. With clearly defined product codes, dimensions, and finishes, you can select the right fitting quickly for your project. These fittings are designed to deliver dependable performance in both indoor and outdoor applications.
The Gate Eye Structural Pipe Fittings come in multiple sizes ranging from DN20 to DN40, making them suitable for different gate and railing systems. Each size is precisely cast and surface-treated to guarantee durability. Options include hot-dip galvanizing, double galvanizing, powder coating, and raw black finishes. Each fitting is coded for easy identification, ensuring accurate ordering, faster processing, and reliable assembly in both fencing and DIY structural applications.
The 119A Galvanized Railing Connectors Add-on Two Socket Cross is different from the 119 type in that it can add two pipes to an already completed system.
It is connected by two parts with two bolts. When using it, we only need to pull out one of the bolts, buckle it in a specific position of the pipe, insert the bolt and tighten it, insert the two pipes into the socket respectively, adjust the angle of the pipe, and tighten the three bolts on the 119A to complete the installation.
We will develop a perfect solution based on your needs. The cycle of changing molds in foundries to produce different products is very long, so it is recommended that you order a larger quantity when purchasing, which can effectively reduce production costs and improve production efficiency.
HULK Metal has more than 20 years of experience in supplying galvanized pipe railing fittings and has established a complete supply chain to provide you with production, quality inspection, packaging, transportation and after-sales service. Quality assurance service is our commitment to you. You can rest assured to give us your order.
HULK Metal currently provides three galvanizing methods: electroplating heat and double coating. You can purchase according to your needs.
HULK Metal is a pipe clamp fittings manufacturer in China, with ISO 9001 certification and advanced foundry. You can contact us at any time to visit the factory and place an order with us after understanding our capabilities.
We currently only have CD reducing 90 degree elbow. If you have special requirements and the quantity is large, we also support OEM service.
HULK Metal has been providing higher-quality sheet metal stamping production services to customers worldwide since the end of the 20th century. To this end, we have continuously integrated stamping factories, raw material suppliers, packaging material factories, and other resources and continuously improved supply chain management and service levels. So far, we have provided hundreds of sheet metal stamping parts OEM services for hundreds of companies around the world. You can contact us at any time to visit our factory and place your order with us after understanding our production capacity and service capabilities.
HULK Metal is an experienced sheet metal fabricator that has provided high-quality OEM services to dozens of automotive parts buyers worldwide. We are familiar with and master advanced sheet metal manufacturing processes such as laser cutting, punching, deep drawing, spinning, bulging, etc., and have advanced production equipment and an experienced team of workers. We strictly implement ISO 9001 and ISO 16949 quality management. The professional technical team will develop a more complete solution according to your requirements to improve order production efficiency and minimize costs while ensuring product quality.
We can process aluminum, steel, stainless steel plates and strips with thicknesses ranging from 0.1mm to 20mm. The tolerance can reach 0.001mm.
We provide comprehensive after-sales service to let you enjoy comprehensive quality assurance. You can rest assured to entrust your sheet metal automotive parts orders to us for production.
The table below shows you our production capabilities.
HULK Metal Wire Grips are available in multiple load ratings, cable diameters, and surface finishes to match diverse applications. Our catalog covers grips for copper, aluminum, ACSR, guy wire, and steel rope. Each product is engineered for strong holding capacity, safety, and efficiency. With detailed specifications and clear coding, bulk buyers can easily choose the right Wire Pulling Grips for their projects.
The table below shows the wire diameter range, tensile force range and MOQ of steel jaw cable puller we can provide. You can download our product catalog to get more detailed parameters.
We can currently produce a variety of high-performance alloy steels that can be used for wire diameters between 0.08~1.8in (2.03~45.7mm), tensions between 1500~20000lbs (0.68~9tons) and for various wire types of Jaw Cable Gripper.
We have 4 types of ABC Conductor Grips to choose from, Load Capacity, ABC diameter, CODE and product image information can be found in the table below. You can also click the button on the right side of the image to download them directly.
Jaw Rope Puller Parameter
Jaw Rope Puller has passed strict sampling inspection before leaving the factory. Each batch of goods can meet the use requirements. We have a complete supply chain to provide you with more thoughtful services and higher quality products.
Jaw Rope Puller is a tool designed to pull Copper Cable, Cover Cable, Bare Aluminum Cable, ACSR, ACSS, AAC, ABC, Bare Cu Cable, Guy Wire, Wire Rope, Barbed Wire, Trolley Wire, etc. to a specific location. One end of the Jaw Rope Puller is used to connect to the tensile machine, and the other end is connected to the rope. As the tensile machine is started, the cable will gradually tighten or be pulled out from one end of the cable duct.
There are two designs for the jaws of the Jaw Rope Puller terminal jaws:
One is that the fixed jaw is straight and smooth, and the movable jaw is curved with longer anti-skid teeth. This type has a smaller contact area with the cable than the other and is more suitable for tightening harder metal ropes.
The other type has both the fixed jaw and the movable jaw straight and horizontal, and both are filled with shallow anti-skid teeth. This type has a larger contact surface with the cable, which can provide stronger friction while protecting the outer skin of the rope. It is suitable for more rope operation scenarios.
Some types of Jaw Rope Pullers will have side baffles, which are used to prevent the cable from detaching from the side of the Jaw Rope Puller due to force changes when tightening, causing accidents.
They all use springs to achieve automatic merging after opening. We use high-elastic alloy springs that can be used repeatedly for hundreds of times.
Jaw Rope Puller Supplied by HULK Metal is made of high-performance alloy steel through hot die forging. It has stronger performance.
Most of its parts are produced by hot die forging, the baffles are laser cut, and the parts are assembled by our assembly line after galvanizing.
Its surface treatment is electrogalvanizing. Its average coating thickness is 5μm.
Our Jaw Wire Puller has two types of jaws to accommodate a wider variety of wires. Some types also have side panels to prevent the wire from slipping out from the side during tensioning. You can choose a more suitable one based on factors such as wire type, wire diameter, and usage scenario.
HULK Metal can provide you with a variety of jaw grip pullers. You can choose a more suitable style according to the Guy Wire diameter, tension and other parameters, as well as the contact surface damage requirements.
Get an insider's view of the factories behind high-quality spherical-head lifting anchors. These vertically integrated facilities feature forging halls, CNC machining centers, heat-treatment lines, electro-galvanizing and powder-coating plants, as well as on-site testing and inspection labs. With comprehensive capabilities under one roof, these factories deliver consistent quality, rapid turnaround, and scalable production to meet both standard and customized client requirements.
Dive deeper into the world of spherical-head lifting anchors with curated articles that shed light on technical innovations, best-practice installation tips, case studies in precast construction, and comparison of load-bearing designs. These insights help engineers and procurement professionals make informed decisions, optimize lifting performance, and understand industry trends—empowering you to select anchors that balance safety, efficiency, and cost-effectiveness.
As a top metalworking service provider, we want to let every customer experience a sense of security in purchasing, sales, etc., and better realize their value through continuously defining new standards for products and services.
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