| item | value |
| Shank Type | smooth |
| Head Style | cylindrical head |
| Place of Origin | China |
| Hebei | |
| Brand Name | Dewell |
| Model Number | Customized |
| Type | welding screw |
| Material | carbon Steel |
| Head Diameter | 6mm-22mm |
Definition and purpose of bolts
Studs are high-strength and rigid fasteners used in various steel structure projects for rigid combination connections between different connectors. It uses arc stud welding to fix the cylindrical head welding nail on the connecting piece, which enhances the structural stability and load-bearing capacity.
Specification of bolts
The specifications of bolts are usually nominal diameters of 10mm to 25mm, and the total length before welding is 40mm to 300mm. This specification of bolt is suitable for connection requirements in various steel structure engineering.
Chemical composition and mechanical properties of bolts
Studs are usually made of low-carbon alloy steel, with chemical compositions including carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), etc. In terms of mechanical properties, the tensile strength of the bolt should not be less than 400N/mm ², the yield point should not be less than 320N/mm ², and the elongation rate should not be less than 14%.
Size and surface requirements for bolts
The size of bolts has specific regulations, such as minimum length, maximum length, diameter, etc. In addition, the surface of the bolt should be free of rust, oxide scale, grease, burrs, etc. The rod should not have cracks that affect its use, and the depth of the head cracks should not exceed a certain value.
National standard for bolts
The national standard for bolts is issued by the General Administration of Quality Supervision, Inspection and Quarantine of China, with the specific standard being GB/T10433-2002. This standard is applicable to shear resistant components, embedded components, and anchoring components of various structures in civil and construction engineering, and ensures the quality and safety of bolts.
Stud is a type of fastener used for high-strength and rigid connections in steel structure engineering, mainly applied in various steel structure constructions, serving as a rigid combination connection. The specification of the bolt is usually a nominal diameter of 10-25mm and a total length of 40-300mm before welding. It is the abbreviation of cylindrical head welding nail for arc stud welding, which is firmly embedded in concrete through welding technology and tightly connected to steel structure, thereby improving the bonding strength between the two materials, enabling more effective load transmission between steel and concrete, and enhancing the bearing capacity of the entire structure. The application of bolts is widespread, especially in large-scale projects such as high-rise buildings, bridges, and industrial plants, and is a key factor in ensuring structural stability. In addition, bolts can also improve the shear resistance of structures, especially under horizontal forces (such as wind loads and seismic actions), by resisting relative slip caused by shear forces, ensuring that the structure can maintain integrity under horizontal forces, and enhancing the seismic and wind pressure resistance of the structure.
A bracket is a widely used support structure in various occasions, with diverse designs and materials that can meet different usage needs. Hardware brackets are usually made of metal materials such as stainless steel, aluminum alloy, etc., which have good durability and load-bearing capacity, ensuring the stability and safety of the bracket.
Standard GB, DIN, ISO, BSW, UNC Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Flat Head Self Drilling Screw, Csk Head Phillips Drive Self Drilling Screws Size:M3.5-M6.3 Length:25mm-50mm Material: carbon steel Finish: white zinc plated, blue zinc plated,etc.
Standard DIN / GB / UNC / BSW /JIS etc. Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 etc. Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Material Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, Brass, etc. Color Black / Blue / Yellow Zinc Plated / Plain etc. Standard DIN, ASTM,JIS,BS,AS,ISO,GB,Nonstandard bolt(according to your order),etc. Surface Finished Black,Zinc plated,Copper plating,Phosphating,Mechanical galvanized,hot dipped galvanized,daromet etc Mark According to customer’s requirement Delivery time Within 30 days after receive your deposit. Package By carbon or gunny bag then on wooden pallet or according to client’s requirement Professional: We are specialized in fastener products 20 years of experience in this field Size: According to customer request CustomerService: 24-hours standby, Critical listening your every suggestion or demand and feedback ASAP.
Type:Furniture Caster,Swivel Wheel place of origin:Handan, China Product name:caster wheels Material:Nylon/PVC/PU/carbon steel/stainless steel Load Capacity:10kgs Usage Wide Usage Packaging and delivery Packaging Details caster wheels,all goods simple pack in the carton with poly bag or as customer’s request
Electronic housing stamping parts, Metal Stamping parts products Can be made into different size according to customer’s requirements. Material: carbon steel, stainless steel,aluminum,copper,etc. Finish: white zinc plated, blue zinc plated, etc.
Product Name: Lifting Eye Bolts DIN 580 – 2018 Standard: DIN 580 – 2018 Material: Carbon steel and stainless steel Size: Reference standards and according to customer requirements Finished: Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain Delivery time: 15-30days after prepayment
Material Carbon Steel / stainless steel/Zinc/Black/Customized Color Black / Blue / Yellow Zinc Plated / Plain Standard DIN,ASME,ASNI,ISO Finished Zinc Plated,Hot Dip Galvanized Steel,Dacromet,Nickel Plated,Black Oxide,Plain Mark According to customer’s requirement Delivery time Normally in15-30 days. Package Cartons&pallets or according to customer’s requirement.
Product name Manufacturer ring grip quick release pins coiled spring pins stainless steel ball lock pin shaft Size M1-M48,According to the drawing provided by the customer. Grade 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80 Standard ISO, GB, BS, DIN, ANSI,JIS, Non-standard Material 1. Stainless steel: 201,303,304,316,410 2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045 3. Copper: H62,H65,H68 4. Aluminum: 5056, 6061, 6062, 7075 5. According to customer demand Surface treatment Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc. Package Plastic bag / small box +outer carton +pallets After-sales Service We will follow up every customer and solve all your problems satisfied after sales
A bracket is a widely used support structure in various occasions, with diverse designs and materials that can meet different usage needs. Hardware brackets are usually made of metal materials such as stainless steel, aluminum alloy, etc., which have good durability and load-bearing capacity, ensuring the stability and safety of the bracket.
Standard GB, DIN, ISO, BSW, UNC Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 / 6.8 / 8.8 / 10.9 / 12.9 , A2-70 / A4-80 Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
Flat Head Self Drilling Screw, Csk Head Phillips Drive Self Drilling Screws Size:M3.5-M6.3 Length:25mm-50mm Material: carbon steel Finish: white zinc plated, blue zinc plated,etc.
Standard DIN / GB / UNC / BSW /JIS etc. Size M3-M50 or non-standard as request&design Material Carbon steel, stainless steel, alloys steel etc. Hex head bolt and nut Grade 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80 etc. Packing Box, carton or plastic bags, then put on pallets, or according to the demand of the customers
