Standard: DIN 6912 - 2009
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 | 2 | 3.32 | 2.5 | 2.56 | 16 | / | 8.28 | 3.5 | / | 8.5 |
| M5 | 1.25 | 3 | 4.82 | 4 | 4.075 | 22 | / |
| 12.73 |
| 5 |
| / |
| 13 |
| M6 | 1.75 | 4 | 7.28 | 6 | 6.075 | 30 | 36 | 17.73 | 7.5 | / | 18 |
| M8 | 2 | 5.5 | 9.78 | 8 | 8.09 | 38 | 44 | 23.67 | 10 | 57 | 24 |
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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