Standard: GB /T 10433
Available sizes: M10 to M8 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 902.2(RD) |
| ISO | ISO 13918(RD) |
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 30~100 | 23 | 6 | 16.5 | 16.6 | 140° |
| L +3.9 |
| 16.4 |
| 9 or 13② |
| M12 | 3 | 40~100 | 28 | 7 | 20 | 20.1 | 140° | L +4.7 | 19.9 | 12 or 15② |
| M6 | 1.25 | 15~100 | 9 | 2.5 | 6.2 | 6.3 | 140° | L +2.2 | 6.1 | 4 |
| M8 | 1.75 | 20~100 | 13.5 | 4 | 9.5 | 9.6 | 140° | L +2.8 | 9.4 | 6 |
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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