Standard: SH /T 3404
Available sizes: M10 to M22 (7 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.75 | 23 | 12.3 | 11.8 | 23.15 | 10.8 | 20.67 | 20 | 10.37 | 21 |
| M12 | 2 | 50 | 16.4 | 15.7 | 29.87 | 14.8 | 26.67 | 45 | 14.1 | 27 |
| M14 | 2.5 | 101 |
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.
| 20.4 |
| 19.3 |
| 37.39 |
| 18 |
| 33.38 |
| 89 |
| 17.9 |
| 34 |
| M16 | 3 | 177 | 24.4 | 23.1 | 45.23 | 21.5 | 40.38 | 156 | 20.2 | 41 |
| M18 | 3.5 | 322 | 30.4 | 29.1 | 54.88 | 25.6 | 49 | 271 | 24.3 | 50 |
| M20 | 3 | 558 | 36.5 | 34.9 | 65.86 | 31 | 58.8 | 474 | 29.4 | 60 |
| M22 | 3 | 598 | 39.5 | 37.9 | 70.67 | 33.4 | 63.1 | 506 | 31.8 | 65 |
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