Standard: DL /T 764.1 - 2001
Available sizes: (M18) to M24 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M18) | 2.5 | 0.8 | 9.5 | 21.48 | 37.29 | 35 | 0.8 | 14.35 | 13.65 | 22 | 14 |
| (M22) | 4 | 1 | 15.5 | 35.38 | 60.79 | 50 | 0.8 |
| 22.92 |
| 22.08 |
| 36 |
| 22.5 |
| M16 | 2.5 | 0.6 | 7.8 | 17.57 | 29.56 | 30 | 0.8 | 11.85 | 11.15 | 18 | 11.5 |
| M20 | 3 | 1 | 11.7 | 26.48 | 45.2 | 40 | 0.8 | 17.35 | 16.65 | 27 | 17 |
| M24 | 5 | 1.6 | 20.9 | 47.38 | 82.6 | 60 | 1 | 30.42 | 29.58 | 48 | 30 |
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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