Standard: NF E 25
Available sizes: M12 to M20 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 8.25 | 9.75 | 14.7 | 13.3 | 34 | 40 | 27.16 | 9 | / | 28 |
| M14 | 2.5 | 11.1 | 12.9 | 18.7 | 17.3 | 42 | 48 |
| 35 |
| 12 |
| / |
| 36 |
| M16 | 2.5 | 13.1 | 14.9 | 22.84 | 21.16 | 50 | 56 | 43 | 14 | 69 | 44 |
| M18 | 3 | 16.6 | 18.4 | 27.84 | 26.16 | 60 | 66 | 53 | 17.5 | 79 | 54 |
| M20 | 4 | 21.95 | 24.05 | 37 | 35 | 78 | 84 | 70.8 | 23 | 97 | 72 |
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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