Standard: DIN 6918 - 1990
Available sizes: M12 to M24 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 17 | 4.45 | 1.9 | 34.5 | 36 | 17.43 | 32 | 36.8 | 1.6 | 29.5 | 35.2 |
| M16 | 23 | 6 | 2.5 | 46.5 | 50 | 23.52 | 44 |
| 50.8 |
| 2 |
| 41.5 |
| 49.2 |
| M20 | 25 | 6.25 | 2.5 | 59 | 56 | 25.52 | 56 | 56.95 | 2 | 53 | 55.05 |
| M22 | 28 | 6.25 | 3 | 59 | 56 | 28.52 | 56 | 56.95 | 2.5 | 53 | 55.05 |
| M24 | 37 | 7 | 3.5 | 71 | 68 | 38 | 68 | 68.95 | 3 | 65 | 67.05 |
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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