Standard: QC /T 871 - 2011
Available sizes: M10 to M8 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 13.57 | 28 | 1.5 | / | 29.05 | 14 | 26.95 |
| M12 | 2.5 | 17.57 | 36 | 1.5 | / | 37.25 | 18 | 34.75 |
| M14 | 2.5 | 21.48 | 44 | 1.5 | 2 | 45.25 | 22 | 42.75 |
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.
| M16 | 3 | 23.48 | 48 | 2 | / | 49.25 | 24 | 46.75 |
| M8 | 1.5 | 9.64 | 20 | 1 | 1.25 | 21.05 | 10 | 18.95 |
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