Standard: DIN 6924 - 1987
Available sizes: (M7) to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M7) | 2 | 11.28 | 14.1 | 17.3 | 22.5 | 1.5 | / | 19.1 | 18.26 | 16 | 26.75 |
| M3 | 0.7 | 2.32 | 2.9 | 4.6 | 5.9 | / | / |
| 6 |
| 5.7 |
| 4 |
| 7.66 |
| M4 | 1 | 3.92 | 4.9 | 6.75 | 8.9 | / | / | 8 | 7.64 | 6 | 11.05 |
| M5 | 1.25 | 5.15 | 6.44 | 8.75 | 11.6 | 1 | / | 9.5 | 9.14 | 8 | 14.38 |
| M6 | 1.75 | 8.3 | 10.37 | 13 | 16.6 | 1.5 | (1.25) | 14.9 | 14.47 | 12 | 20.03 |
| M8 | 2.5 | 12.08 | 15.1 | 19.5 | 24.9 | 1.5 | / | 20.6 | 19.76 | 18 | 29.56 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
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