Standard: EN 14399
Available sizes: M12 to M22 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 14399-8 |
| DIN | DIN EN 14399(-8) |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 26.16 | 16.85 | 10 | 28 | 17 | 10.75 |
| 27 |
| 16.74 |
| 9.25 |
| M16 | 2.5 | 35 | 22.84 | 14 | 34 | 23 | 14.9 | 26 | 22.71 | 13.1 |
| M20 | 3 | 45 | 27.84 | 17 | 41 | 28 | 17.9 | 46 | 27.71 | 16.1 |
| M22 | 4 | 58.8 | 36.83 | 23 | 52 | 37 | 24.05 | 60 | 36.67 | 21.95 |
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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