Standard: NF E 25
Available sizes: M10 to M8 (7 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M10 | 1.5 | 21 | 20.67 | / | 14.1 | 13.4 |
| M12 | 1.5 | 27 | 26.16 | / | 17.6 | 16.9 |
| M14 | / | 34 | 33 | 1.5 | 21.8 | 20.5 |
| M16 | 2 | 41 | 40 |
| / |
| 26.7 |
| 25.4 |
| M18 | 2 | 50 | 49 | / | 32.5 | 30.9 |
| M20 | 3 | 55 | 53.8 | / | 34.7 | 33.1 |
| M8 | 1.25 | 16 | 15.73 | 1 | 9.3 | 8.94 |
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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