Standard: GB /T 6182 - 2010
Available sizes: (M14) to M8 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 6182 |
| ISO | ISO 7041 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| (M14) | 4 | 33.1 | 55 | 60.79 | 42.6 | 53.8 | 40.1 | 441 |
| M10 |
| 2.5 |
| 19 |
| 30 |
| 32.95 |
| 25.1 |
| 29.16 |
| 23 |
| 73.17 |
| M12 | 3.5 | 27.3 | 46 | 50.85 | 35.6 | 45 | 33.1 | 256.6 |
| M5 | 1 | 5.4 | 10 | 11.05 | 8.5 | 9.78 | 7.92 | 2.94 |
| M6 | 1.5 | 8.94 | 16 | 17.77 | 12.8 | 15.73 | 12.1 | 11.64 |
| M8 | 2 | 13.4 | 21 | 23.36 | 18.3 | 20.67 | 17 | 27.37 |
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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