Standard: EN 14399
Available sizes: (M14) to M20 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 14399(-6) |
| DIN | DIN EN 14399(-6) |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 19.33 | 2.5 | 2 | 4 | 4.3 | 19 |
| 34 |
| 0.75 |
| 1.5 |
| 33.38 |
| 3.7 |
| (M18) | 28.52 | 3 | 2.5 | 5 | 5.6 | 28 | 50 | 1 | 2 | 49 | 4.4 |
| M12 | 15.27 | 1.9 | 1.6 | 3 | 3.3 | 15 | 28 | 0.5 | 1 | 27.48 | 2.7 |
| M16 | 23.33 | 2.5 | 2 | 4 | 4.3 | 23 | 39 | 0.75 | 1.5 | 38.38 | 3.7 |
| M20 | 37.62 | 3 | 2.5 | 6 | 6.6 | 37 | 66 | 1.25 | 2.5 | 64.8 | 5.4 |
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.
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