Standard: DL /T 284 - 2012
Available sizes: M10 to M20 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.75 | 7.95 | 7.5 | 14.7 | 12.7 | 17 | 30 | 16.47 | 19.85 | 0.6 | 11.3 |
| M12 | 2.5 | 12.4 | 11.5 | 21.2 | 18.7 | 24 | 41 |
| 24.85 |
| 29.56 |
| 0.8 |
| 17.3 |
| M16 | 2.5 | 14.9 | 14 | 26.4 | 22.84 | 28 | 48 | 31.35 | 37.29 | 0.8 | 21.16 |
| M18 | 3 | 17.9 | 17 | 32.4 | 27.84 | 34 | 58 | 38 | 45.2 | 0.8 | 26.16 |
| M20 | 3.5 | 22.05 | 21 | 38.4 | 34 | 40 | 70 | 46.55 | 55.37 | 0.8 | 32 |
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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