Standard: GB /T 794
Available sizes: M10 to M8 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 10.45 | 8.55 | 34 | 16 | 38 | 44 | 26 | 9.9 | 36.6 | 15.57 |
| M12 | 2.5 | 12.55 | 10.55 | 43 | 20 | 46 | 52 |
| 32 |
| 11.9 |
| 45.6 |
| 19.48 |
| M6 | 1.25 | 5.4 | 4.1 | 17.3 | 8 | 22 | 28 | 13.5 | 4.98 | 19.1 | 7.64 |
| M8 | 1.75 | 8.45 | 6.6 | 27.16 | 12 | 30 | 36 | 20 | 7.48 | 29.3 | 11.57 |
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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