Standard: DIN 987 - 1960
Available sizes: M3 to M5 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 24.3 | 8.6 | 8.3 | 24.3 | 23.7 | 24.6 | 24 | 8.8 | 8.2 | 24 | 8.5 |
| M4 | 26.5 | 10.6 | 10.3 | 26.3 | 25.7 | 26.8 | 26.2 |
| 11.3 |
| 10.7 |
| 26 |
| 11 |
| M5 | 28.5 | 12.6 | 12.3 | 28.3 | 27.7 | 28.8 | 28.2 | 13.3 | 12.7 | 28 | 13 |
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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