Standard: GB /T 9160.2
Available sizes: M10 to M35 (8 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M10 | KM 01 | 4 | 3 | 1 | 17 | MB 01 | 22 | 2 |
| M12 | KM 03 | 5 | 4 | 1 | 24 | MB 03 | 28 | 2 |
| M15 | KM 05 | 7 | 5 | 1.5 |
| 32 |
| MB 05 |
| 38 |
| 2 |
| M17 | KM 07 | 8 | 5 | 1.5 | 44 | MB 07 | 52 | 2 |
| M20 | KM 09 | 10 | 6 | 1.5 | 56 | MB 09 | 65 | 2.5 |
| M25 | KM 11 | 11 | 7 | 2 | 67 | MB 11 | 75 | 3 |
| M30 | KM 13 | 12 | 7 | 2 | 79 | MB 13 | 85 | 3 |
| M35 | KM 14 | 12 | 8 | 2 | 85 | MB 14 | 92 | 3.5 |
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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