Standard: EN 14399
Available sizes: (M14) to M20 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 2.5 | 0.4 | 0.8 | 27.7 | 32.95 | 19.5 | 18 | 15.1 | 12.1 | 30 | 15.8 |
| (M18) | 3 | 0.4 | 0.8 | 42.8 | 50.85 | 29.1 | 27 |
| 22.5 |
| 18.1 |
| 46 |
| 23.8 |
| M12 | 2 | 0.4 | 0.8 | 21.86 | 27.12 | 15.1 | 14 | 12.1 | 9.7 | 24 | 12.8 |
| M16 | 2.5 | 0.4 | 0.8 | 33.3 | 39.55 | 23.7 | 22 | 18.1 | 14.5 | 36 | 19.4 |
| M20 | 4 | 0.4 | 0.8 | 55.9 | 66.44 | 38.9 | 36 | 29.4 | 22.4 | 60 | 31 |
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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