Standard: GB /T 11 - 1988
Available sizes: (M14) to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 3.00 | 7.5 | 16.50 | 44.20 | 6.30 | 54 | 60 | 5 | 3.3 | 45.80 | 5.70 |
| M10 | 2.00 | 5 | 10.20 | 27.35 | 4.80 | 38 | 44 | 3.3 | 2.2 | 28.65 | 4.20 |
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.
| M12 | 2.50 | 6.3 | 14.30 | 39.20 | 6.30 | 50 | 56 | 4.5 | 3 | 40.80 | 5.70 |
| M6 | 1.25 | 3.2 | 5.30 | 13.45 | 2.70 | 22 | 28 | 1.6 | 1.1 | 14.55 | 2.30 |
| M8 | 1.75 | 4.2 | 8.50 | 20.35 | 3.80 | 30 | 36 | 2.4 | 1.6 | 21.65 | 3.20 |
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