Standard: DIN 6915 - 1989
Available sizes: M12 to M22 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| EN | EN 14399-4Nut |
| DIN | DIN EN 14399(-4) |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 9.84 | 27 | 29.56 | 13 | 44.8 | 12.3 | 26.16 |
| M16 |
| 2.5 |
| 13.52 |
| 36 |
| 39.55 |
| 18 |
| 104 |
| 16.9 |
| 35 |
| M20 | 3 | 16.56 | 46 | 50.85 | 22 | 224 | 20.7 | 45 |
| M22 | 4 | 22.16 | 60 | 66.44 | 29 | 515 | 27.7 | 58.8 |
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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