Standard: GB /T 9125.1 - 2020
Available sizes: M10 to M16 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.75 | 13.31 | 17.73 | 20.03 | 12 | 13 | 12 | 9.26 | 18 | 16.6 | 11.57 |
| M12 | 2 | 32.29 | 23.67 | 26.75 | 16.4 | 17.3 | 16 |
| 12.6 |
| 24 |
| 22.5 |
| 15.7 |
| M14 | 3 | 99.35 | 35 | 39.55 | 23.9 | 25.9 | 24 | 18.1 | 36 | 33.3 | 22.6 |
| M16 | 3.5 | 207.11 | 45 | 50.85 | 28.6 | 32.4 | 30 | 21.8 | 46 | 42.8 | 27.3 |
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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