Standard: DL /T 764 - 2014
Available sizes: M12 to M22 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 9.25 | 10.75 | 16.7 | 15.3 | 25 | 0.8 | 26.17 | 10 | 18.7 | 22 |
| M16 | 2.5 | 11.6 | 13.4 | 20.84 | 19.16 | 35 | 0.8 |
| 32.95 |
| 12.5 |
| 24.4 |
| 27.7 |
| M18 | 3 | 14.1 | 15.9 | 24.84 | 23.16 | 35 | 0.8 | 39.55 | 15 | 28.4 | 33.25 |
| M20 | 3.5 | 17.65 | 19.75 | 30.84 | 29.16 | 45 | 0.8 | 50.85 | 18.7 | 35.4 | 42.75 |
| M22 | 3.5 | 19.95 | 22.05 | 34 | 32 | 50 | 0.8 | 55.37 | 21 | 38.4 | 46.55 |
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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