Standard: DIN 921 - 2014
Available sizes: M1 to M2.5 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M1 | 0.25 | 0.55 | 0.36 | 0.80 | 0.92 | 0.5 | 4 | 0.3 | 0.5 | 3.7 | 0.68 |
| M1.2 | 0.35 | 0.7 | 0.46 | 1 | 1.12 | 0.7 | 5 | 0.4 |
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.
| 0.6 |
| 4.7 |
| 0.88 |
| M1.4 | 0.45 | 0.95 | 0.66 | 1.5 | 1.62 | 0.9 | 7 | 0.6 | 0.8 | 6.64 | 1.38 |
| M1.6 | 0.7 | 1.5 | 1.06 | 2.4 | 2.52 | 1.4 | 12 | 1 | 1.2 | 11.57 | 2.28 |
| M2 | 1 | 1.9 | 1.66 | 3.1 | 3.25 | 2.0 | 20 | 1.6 | 1.91 | 19.48 | 2.95 |
| M2.5 | 1.5 | 2.8 | 2.56 | 4.6 | 4.75 | 3.0 | 30 | 2.5 | 2.81 | 29.48 | 4.45 |
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