Standard: DIN 970 - 1982
Available sizes: (M3.5) to M4 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| (M3.5) | 1.25 | 12.73 | 14.38 | 6.8 | 6.44 | 5.4 | 13 | 5.15 |
| M1.6 | 0.4 | 3.82 | 4.32 | 1.6 | 1.35 | 0.14 | 4 | 1.08 |
| M2 | 0.5 | 5.32 | 6.01 | 2.4 |
| 2.15 |
| 0.38 |
| 5.5 |
| 1.72 |
| M2.5 | 0.7 | 6.78 | 7.66 | 3.2 | 2.9 | 0.81 | 7 | 2.32 |
| M3 | 1 | 9.78 | 11.05 | 5.2 | 4.9 | 2.6 | 10 | 3.92 |
| M4 | 1.75 | 17.73 | 20.03 | 10.8 | 10.37 | 16.3 | 18 | 8.3 |
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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