Standard: GB /T 9160.2
Available sizes: M120 to M160 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| M120 | KML 26 | 21 | 12 | 2 | 145 | MBL 26 | 155 | 5 |
| M130 | KML 30 | 24 | 14 | 2 | 170 | MBL 30 | 180 | 5 |
| M140 | KML 34 | 26 | 16 | 3 |
| 190 |
| MBL 34 |
| 200 |
| 5 |
| M150 | KML 38 | 28 | 18 | 3 | 210 | MBL 38 | 220 | 5 |
| M160 | KML 40 | 29 | 18 | 3 | 222 | MBL 40 | 240 | 8 |
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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