Standard: DIN 6905 - 1990
Available sizes: M2.5 to M5 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M2.5 | 2.7 | 5.6 | 1.1 | 1.2 | 0.7 | 2.8 | 1.3 | 0.6 | 1.3 | 1.4 | 0.8 |
| M3 | 3.6 | 6.95 | 1.2 | 1.4 | 0.8 | 3.75 | 1.5 |
| 0.7 |
| 1.4 |
| 1.6 |
| 0.9 |
| M3.5 | 5.5 | 11 | 2 | 2.35 | 1.3 | 5.7 | 2.5 | 1.2 | 2.2 | 2.65 | 1.4 |
| M4 | 7.4 | 13.95 | 2.45 | 2.85 | 1.6 | 7.65 | 3 | 1.5 | 2.75 | 3.15 | 1.7 |
| M5 | 11 | 19.7 | 3.35 | 3.8 | 2.1 | 11.3 | 4 | 1.95 | 3.65 | 4.2 | 2.25 |
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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