Standard: DIN 561 - 1995
Available sizes: M10 to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 9.7 | 14.21 | 15 | 14.73 | 2 | 7.5 | 14 | 13.79 | 22.4 | 26.75 |
| M12 | 3.5 | 14.5 | 21.26 | 23 | 22.67 | 2 | 10.5 |
| 21 |
| 20.74 |
| 33.4 |
| 39.98 |
| M16 | 4.5 | 20.8 | 30.26 | 32 | 31.61 | 3 | 13.5 | 30 | 29.74 | 45.6 | 61.31 |
| M20 | 5.5 | 27.8 | 40.31 | 45 | 44.61 | 3 | 16.5 | 40 | 39.69 | 63 | 83.91 |
| M6 | 1.25 | 4.1 | 6.15 | 5.5 | 5.32 | — | 3.75 | 6 | 5.85 | 9.2 | 11.05 |
| M8 | 1.75 | 6.2 | 9.18 | 8.5 | 8.28 | — | 5.25 | 9 | 8.82 | 13.7 | 17.77 |
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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