Description
Overview
DIN6334 specifies the dimensions for coupling nuts, ensuring compatibility and reliable engineering performance.
This selected size is specified with length 36 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) | 60.61 kg per 1 000 pieces |
Material, Grade & Strength
| Material | Mild steel (grade 4.6/4.8) |
|---|---|
| Nut property class | 5 (6 for DIN 985 nyloc) (ISO 898-2) |
| Use with bolts of class | 4.6, 4.8 and 5.8 |
Finish & Corrosion Protection
Zinc plated (clear/blue passivated): Electroplated zinc, typically 5-8 um (ISO 4042). Economical protection for dry indoor and light outdoor use; white rust in neutral salt spray typically from ~24-72 h depending on passivate.
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 | External Hex |
| Head Style | Hex |
| Length | 36 mm |
| Material | Mild Steel |
| Finish | Zinc Plated |
| Grade | Class 6 |
| Standards Met | DIN 6334 |
| Package Quantity | 1 |
| Package Type | Box |