Standard: GB /T 5785 - 2000
Available sizes: (M10) to M8 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 5785 |
| DIN | DIN EN ISO 8765 |
| ISO | ISO 8765 |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M10) | 1.5 | 19.64 | 13.54 |
| 0.6 |
| 0.15 |
| 34 |
| 40 |
| 14.00 |
| 13.73 |
| 57 |
| 15.7 |
| (M12) | 2 | 28.19 | 19.48 | 0.8 | 0.2 | 46 | 52 | 20.00 | 19.67 | 65 | 22.4 |
| (M14) | 2 | 33.61 | 23.48 | 0.8 | 0.2 | 54 | 60 | 24.00 | 23.67 | 73 | 26.4 |
| M10 | 1.5 | 16.63 | 11.57 | 0.6 | 0.15 | 30 | 36 | 12.00 | 11.73 | 49 | 13.7 |
| M12 | 1.5 | 25.34 | 17.57 | 0.8 | 0.2 | 42 | 48 | 18.00 | 17.73 | 61 | 20.2 |
| M8 | 1 | 14.63 | 9.64 | 0.6 | 0.15 | 26 | 32 | 10.00 | 9.78 | 45 | 11.2 |
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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