
Description
Overview
DIN6334 specifies the dimensions for coupling nuts, ensuring compatibility and reliable engineering performance.
This selected size is specified with length 40 mm, thread M12.
Sold in multiples of '1 pieces. 1 Box = '1 pieces.
Material, Grade & Strength
Select the material and strength to suit the application, environment and mating components.
Finish & Corrosion Protection
Choose the finish according to the corrosion exposure and service environment.
Typical Uses
Suitable for machinery, maintenance, construction, mining, agriculture and general engineering.
Technical Tips
- Use compatible mating components.
- Inspect parts before installation.
- Follow recognised engineering practices.
Dimensions – DIN 6334 M12
| Standard | DIN 6334 |
|---|---|
| Product | Hexagon coupling nut (3d) |
| Thread | M12 x 1.75 |
| Across flats (s) | 19 mm |
| Length (l = 3d) | 36 mm |
| Weight (calculated) | 61.23 kg per 1 000 pieces |
Material, Grade & Strength
| Material | Stainless steel A2 (304) |
|---|---|
| Steel grade | AISI 304 (1.4301) |
| Composition | C max 0.07%, Cr 17.5-19.5%, Ni 8.0-10.5% |
| Property class | A2-70 (ISO 3506) unless marked -80 |
| Tensile strength Rm (min) | 700 MPa (class 70), 800 MPa (class 80) |
| Yield Rp0.2 (min) | 450 MPa (class 70), 600 MPa (class 80) |
| Typical use | general corrosion resistance, indoor/outdoor, food equipment |
Finish & Corrosion Protection
Plain / self colour: No applied coating. Stainless, brass and nylon parts are supplied plain; plain steel parts need oil, paint or protected environments.
DIN 6334 data sheet – all sizes
| Size | Thread | Across flats (s) |
|---|---|---|
| M5 | M5 x 0.8 | 8 mm |
| M6 | M6 x 1 | 10 mm |
| M8 | M8 x 1.25 | 13 mm |
| M10 | M10 x 1.5 | 17 mm |
| M12 | M12 x 1.75 | 19 mm |
| M14 | M14 x 2 | 22 mm |
| M16 | M16 x 2 | 24 mm |
| M18 | M18 x 2.5 | 27 mm |
| M20 | M20 x 2.5 | 30 mm |
| M24 | M24 x 3 | 36 mm |
| M30 | M30 x 3.5 | 46 mm |
Nominal dimensions per DIN 6334. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.
Specifications
| Measurement Type | Metric |
|---|---|
| Thread Size | M12 |
| Drive Type | Hex |
| Length | 40 mm |
| Material | Stainless Steel |
| Finish | Stainless steel |
| Grade | Grade (A2) |
| Standards Met | DIN 6334 |
| Package Quantity | 1 |
| Package Type | Box |