DIN 929 Hexagon Hex Weld Nuts Stainless Steel SUS304 Carbon A3 Ss M5 M6 M8 Class 4
Characteristics, Advantages, and Uses of Hexagon Weld Nuts DIN 929
Characteristics:
- Design: Hexagon weld nuts feature a hexagonal shape, with one side resembling a regular hex nut and the other side designed with three welding points and a protrusion for positioning. This design allows for both welding and retention of the hex nut's functional characteristics.
- Weldability: The three welding points on the nut are specifically designed for welding, enabling them to melt at high temperatures and securely weld onto the base material.
- Positioning Accuracy: The protrusion is designed for precise positioning, ensuring that the nut can be accurately placed in a predetermined location.
- Material Diversity: Hexagon weld nuts can be made from various materials such as stainless steel, carbon steel, etc., adapting to different usage environments and requirements.
Advantages:
- Strong Connection: The welding connection ensures a very strong bond between the nut and the base material, capable of withstanding significant tensile and shear forces.
- Precise Positioning: The protrusion design guarantees accurate nut placement, improving assembly precision and efficiency.
- High Efficiency: When used with a spot welder, it allows for fast and efficient welding operations, enhancing productivity.
- Wide Application: Hexagon weld nuts are suitable for various industries and scenarios, demonstrating strong versatility and adaptability.
Uses:
- Automotive Industry: Applied in critical parts such as car seats, chassis beams, transmissions, seat belts, etc., for secure connections between components.
- Machinery Industry: In the assembly of machinery and components, hexagon weld nuts enable fast and accurate connections.
- Electronics Industry: Hexagon weld nuts are also used in the manufacturing and assembly of electronic devices for connections and fixations.
- Construction Industry: In structural connections, hexagon weld nuts provide secure connection points, enhancing structural stability.
Overall, Hexagon Weld Nuts DIN 929, with their unique design, excellent performance, and wide range of applications, are widely used and recognized across multiple industries.

Thread Size | M3 | M4 | M5 | M6 | M8 | M10 | D | P | Pitch | Coarse thread | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | Fine thread 1 | / | / | / | / | 1 | 1.25 | Fine thread 2 | / | / | / | / | / | 1 | b | Nominal Size | | 0.8 | 0.8 | 0.8 | 0.9 | 1 | 1.25 | max | | 1 | 1 | 1 | 1.12 | 1.25 | 1.55 | min | | 0.6 | 0.6 | 0.6 | 0.68 | 0.75 | 0.95 | d1 | Nominal Size (d11) | | 4.5 | 6 | 7 | 8 | 10.5 | 12.5 | max | | 4.47 | 5.97 | 6.96 | 7.96 | 10.45 | 12.45 | min | | 4.395 | 5.895 | 6.87 | 7.87 | 10.34 | 12.34 | d2 | min=nominal size (H13) | | 4.5 | 6 | 7 | 8 | 10.5 | 12.5 | max | | 4.68 | 6.18 | 7.22 | 8.22 | 10.77 | 12.77 | d3 | max | | 3.15 | 4.2 | 5.25 | 6.3 | 8.4 | 10.5 | e | min | | 8.15 | 9.83 | 10.95 | 12.02 | 15.38 | 18.74 | h1 | max | | 0.55 | 0.65 | 0.7 | 0.75 | 0.9 | 1.15 | min | | 0.45 | 0.55 | 0.6 | 0.6 | 0.75 | 0.95 | h2 | max | | 0.25 | 0.35 | 0.4 | 0.4 | 0.5 | 0.65 | min | | 0.15 | 0.25 | 0.3 | 0.3 | 0.35 | 0.5 | m | max=nominal size (h14) | | 3 | 3.5 | 4 | 5 | 6.5 | 8 | min | | 2.75 | 3.2 | 3.7 | 4.7 | 6.14 | 7.64 | s | max=nominal size (h13) | | 7.5 | 9 | 10 | 11 | 14 | 17 | min | | 7.28 | 8.78 | 9.78 | 10.73 | 13.73 | 16.73 | per 1000 units ≈ kg | | 0.78 | 1.13 | 1.73 | 2.5 | 5.27 | 9.58 | Ensure the load(N) | Coarse thread | | 3800 | 6800 | 11000 | 15500 | 28300 | 44800 | Fine thread 1 | | / | / | / | / | 30200 | 47800 | Fine thread 2 | | / | / | / | / | / | 50200 | Thread Size | 7/16 | 7/16 | M12 | (M14) | M16 | | D | Inch | Inch | | P | Pitch | Coarse thread | / | / | 1.75 | 2 | 2 | | Fine thread 1 | / | / | 1.25 | 1.5 | 1.5 | | Fine thread 2 | * | * | 1.5 | / | / | | b | Nominal Size | | 1.25 | 1.25 | 1.25 | 1.5 | 1.5 | | max | | 1.55 | 1.55 | 1.55 | 1.9 | 1.9 | | min | | 0.95 | 0.95 | 0.95 | 1.1 | 1.1 | | d1 | Nominal Size (d11) | | 12.5 | 13.5 | 14.8 | 16.8 | 18.8 | | max | | 12.45 | 13.45 | 14.75 | 16.75 | 18.735 | | min | | 12.34 | 13.34 | 14.64 | 16.64 | 18.605 | | d2 | min=nominal size (H13) | | 13.5 | 13.5 | 14.8 | 16.8 | 18.8 | | max | | 13.77 | 13.77 | 15.07 | 17.07 | 19.13 | | d3 | max | | 11.7 | 11.7 | 12.6 | 14.7 | 16.8 | | e | min | | 18.74 | 20.91 | 20.91 | 24.27 | 26.51 | | h1 | max | | 1.15 | 1.4 | 1.4 | 1.8 | 1.8 | | min | | 0.95 | 1.2 | 1.2 | 1.6 | 1.6 | | h2 | max | | 0.65 | 0.8 | 0.8 | 1 | 1 | | min | | 0.45 | 0.6 | 0.6 | 0.8 | 0.8 | | m | max=nominal size (h14) | | 10 | 10 | 10 | 11 | 13 | | min | | 9.64 | 9.64 | 9.64 | 10.57 | 12.57 | | s | max=nominal size (h13) | | 17 | 19 | 19 | 22 | 24 | | min | | 16.73 | 18.67 | 18.67 | 21.67 | 23.67 | | per 1000 units ≈ kg | | 12 | 14 | 13.7 | 21.3 | 28.5 | | Ensure the load(N) | Coarse thread | | / | / | 65300 | 89700 | 123000 | | Fine thread 1 | | / | / | 72100 | 97500 | 132000 | | Fine thread 2 | | 53600 | 53600 | 68200 | / | / | | |