| Finish | Plain/Zinc-plated/Galvanized/etc. |
| Measurement System | Metric/Inch |
| Place of Origin | China |
| Standard | GB/ISO/ANSI/DIN/BS/JIS |
| Material | Carbon steel/Stainless steel/Brass/Aluminum/etc. |
| Product Grade | Grade A |
| Strength Grade | Level 4.8/8.8,etc. |
| Applicable Industries | Construction Industry |
| Color | Plain/White/Black/Gold/etc. |
| Custom Support | ODM/OEM |
Fasteners are widely used for many industries, such as construction, vehicle, railway, furniture and some other precision industries. We produce and sell various of fasteners, including bolts and nuts, washers, screws, clamps, non-standard fasteners, etc. They have different materials, length, threads, surface treatment. Welcome to contact us for details.
Four corner welded nut is a special type of nut with a unique design, usually having a four corner shape. The characteristic of this nut is its welding performance, which allows it to be fixed between two products by welding, providing a more stable connection. Four corner welded nuts usually use high-temperature welding technology, which involves melting the metal, mixing it, and then cooling it to connect two separate parts into a whole. This connection method not only has high strength, but also has stable connection effect and is not easy to loosen or fall off. There are various specifications for square welded nuts, including different materials and sizes, to meet different application needs. For example, some four corner welded nuts use DIN557 standard, with materials including 304, 316, etc., and specifications ranging from M3 to M12. In addition, the design of the four corner welded nut also takes into account the convenience of welding, for example, by setting up clamps and welding blocks, it is convenient to fix the position of the nut body during welding, avoiding the displacement of the nut body during the welding process, thereby ensuring the quality and stability of welding.
Four corner welded nuts have a wide range of applications and are suitable for various situations that require stable connections. Due to its unique welding fixation method, it is particularly suitable for applications that require high-strength connections and seismic resistance, such as mechanical manufacturing, automotive components, and other fields. The standards and specifications of square welded nuts ensure their compatibility and interchangeability in different applications, making them the preferred connectors in many industrial applications.
1、 Standard specifications for square spot welded nuts
Four corner spot welded nuts are a commonly used fastener, widely used in fields such as machinery, chemical engineering, and electronics. The standard specifications are as follows:
1.Diameter: M3-M12
2.Materials: carbon steel, stainless steel, copper, aluminum, etc
3.Surface treatment: galvanizing, nickel plating, sandblasting, painting, etc
2、 Material selection for corner spot welded nuts
The material selection of corner spot welded nuts should consider factors such as their usage environment and required strength. In general, carbon steel nuts are suitable for non corrosive environments, stainless steel nuts are suitable for humid and corrosive environments, and copper and aluminum nuts are suitable for conductive and lightweight environments.
3、 Scope of application for square spot welded nuts
Four corner spot welding nuts are suitable for various occasions that require fixing or connection, such as mechanical equipment, automobiles, electronic instruments, etc. Its characteristic is that it can firmly fix the workpiece, is not easy to loosen, and has high seismic resistance.
4、 Characteristics of Four Corner Spot Welding Nut
1.Easy installation can reduce work time and costs.
2.The four corners are firmly welded to ensure the stability of the nut.
3.Easy disassembly and assembly, able to be used multiple times, saving costs.
4.Able to withstand significant tensile and torque forces, ensuring a secure connection.
In summary, square spot welded nuts are a commonly used fastener, and their standard specifications and material selection require special attention. When using, appropriate specifications and materials should be selected based on the specific environment and requirements to ensure their connection effect and service life.
Drywall screw, tapping screw Size:M2.9-M4.8 Length:12mm-55mm, 1-3/4”～3”. Material: carbon steel Finish: white zinc plated, blue zinc plated, black phosphating , etc.
Product Name Colorful Hex Acorn Cap Dome Nut DIN1587 304 Stainless Steel Red Black Blue Grey CapNut Finish Silver,Plain, black, zinc plated/according to your requirement Material Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on Size M3-M24,or non-standard as request&design Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Grade 4.8,8.8,10.9,12.9.etc Certification ISO9001,DIN1587 Package according to customers requirement Lead Time 7-15 work days after order confirmed Notes Special specifications and marks can be made according to customers requirements;
size M2- M30 Material Carbon Steel, Stainless Steel, Titanium, Aluminum, Brass, etc Surface Treatment Plain, black, zinc plated/according to your requirement Standard DIN GB ISO JIS BA ANSI Grade SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Quality Policy All the parts manufactured 100% inspection from OQC before shipping. Thread Coarse, fine Used Building industry machinery electronic,etc Non-standards OEM is available, according to drawing or samples
Metal Stamping Parts Medical equipment stamping parts
Materials: Carbon steel, Stainless steel Size: Customized as per detailed sizes or drawings MOQ: 1,000pcs above, depends on products or dimensions Sample lead time: 3-7 working days mostly Massive lead time: 10-15 working days mostly Trade terms: EXW/FOB/CIF/CNF/FCA/DAP/DDP/DDU Package: PE bags + brown carton + pallets or customized as demands
Material 1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Carbon Steel: 1010,1035,1045 4.Aluminum or Aluminum Alloy:Al6061,Al6063,Al7075,etc 5.Brass:H59,H62,Copper,Bronze Grade SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc. Finish Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc. Thread UNC,UNF,UEF,UN,UNS Standard ISO, DIN, ANSI, JIS, BS and Non-standard Sample Service Samples are all in free. Certificate ISO9001,CE, SGS, BV Advantage 1. Competitive price; 2. OEM service available Packing Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand Lead Time 7-15 work days after order confirmed Application Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc. Notes Special specifications and marks can be made according to customers requirements;
Flat Washer Material: carbon steel, stainless steel,brass, etc. Size: M2-M64, 1/4-2-1/2 Standard: DIN125,ASTM F436 ,ISO 7089,GB/T97 Finish: white zinc plated, yellow zinc plated, blue zinc plated, Hot-dip galvanized, plain,black oxide, etc.
Standard GB, DIN, ISO, JIS 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
Structure of electric vehicle follow-up brake: It mainly includes components such as brake box, two brake shoes, crank, reset spring, adjusting parts, tension column, etc. Specifically, the working principle of the follow-up brake is to increase the rotation angle of the two brake shoes during braking through the setting of metal plates and reels, thereby increasing the maximum braking resistance. This structure achieves the adjustment of braking effect through two brake shoe blocks hinged on the hinge shaft fixed on the brake box, as well as adjusting components provided on the brake box on one side of the hinge shaft. In addition, the follow-up brake also has a lock that can lock the brake disc components, providing dust-proof and waterproof functions to ensure brake sensitivity
Circuit board bracket stamping parts
Standard GB, DIN, BSW, ASTM, ASME Size M3-M50 or non-standard as request&design ASTM A193 B7 1/4″×13-1/4″×102, 5/16″×13-5/16″×152, 7/16″×25-7/16″×100 3/8″×13-3/8″×152, 1/2″×19-1/2″×152, 5/8″×32-5/8″×300, 3/4″×38-3/4×300 7/8″×50-7/8″×300 Material Carbon steel, stainless steel, alloys steel etc. Grade 4.8 / 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
Drywall screw, tapping screw Size:M2.9-M4.8 Length:12mm-55mm, 1-3/4”～3”. Material: carbon steel Finish: white zinc plated, blue zinc plated, black phosphating , etc.
Product Name Colorful Hex Acorn Cap Dome Nut DIN1587 304 Stainless Steel Red Black Blue Grey CapNut Finish Silver,Plain, black, zinc plated/according to your requirement Material Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on Size M3-M24,or non-standard as request&design Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Grade 4.8,8.8,10.9,12.9.etc Certification ISO9001,DIN1587 Package according to customers requirement Lead Time 7-15 work days after order confirmed Notes Special specifications and marks can be made according to customers requirements;
size M2- M30 Material Carbon Steel, Stainless Steel, Titanium, Aluminum, Brass, etc Surface Treatment Plain, black, zinc plated/according to your requirement Standard DIN GB ISO JIS BA ANSI Grade SUS201, SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Quality Policy All the parts manufactured 100% inspection from OQC before shipping. Thread Coarse, fine Used Building industry machinery electronic,etc Non-standards OEM is available, according to drawing or samples
Metal Stamping Parts Medical equipment stamping parts
