Standard: DL /T 284 - 2012
Available sizes: M10 to M20 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| M10 | 1.75 | 17.57 | 19.85 | 6 | 5.7 | 18 |
| M12 | 2.5 | 26.16 | 29.56 | 9 | 8.42 | 27 |
| M16 | 2.5 | 33 | 37.29 | 11 | 9.9 | 34 |
| M18 | 3 | 40 | 45.20 |
| 13.5 |
| 12.4 |
| 41 |
| M20 | 3.5 | 49 | 55.37 | 16.5 | 15.4 | 50 |
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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