Standard: DIN 22425 - 1990
Available sizes: M4 to M8 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M4 | 0.8 | 8 | 7.8 | 10.2 | 9.4 | 1.9 | 2.1 | 6.3 | 6.7 | 9.8 | 9.6 |
| M5 | 1.25 | 11.75 | 11.55 | 15.2 | 13.9 | 2.2 | 2.4 |
| 9.3 |
| 9.7 |
| 14.8 |
| 14.1 |
| M6 | 1.75 | 20 | 19.8 | 28.2 | 23.9 | 3.4 | 3.6 | 15.8 | 16.2 | 27.8 | 24.1 |
| M8 | 2.5 | 30 | 29.8 | 42.3 | 35.9 | 4.9 | 5.1 | 23.8 | 24.2 | 41.7 | 36.1 |
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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