Standard: JIS B 1180
Available sizes: (M7) to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M7) | 1.5 | 19.6 | 16.3 | 9.8 | 7 | 1.25 | 10 | 6.2 | 17 | 10.7 | 7.8 |
| M10 | 2.5 | 31.2 | 26.2 | 17.8 | 12 | 1.5 | 18 |
| 11.1 |
| 27 |
| 18.9 |
| 12.9 |
| M12 | 2.5 | 37 | 31 | 21.65 | 14 | 1.5 | 22 | 13.1 | 32 | 22.95 | 14.9 |
| M6 | 1 | 12.7 | 10.3 | 6.8 | 5 | / | 7 | 4.4 | 11 | 7.7 | 5.6 |
| M8 | 2 | 25.4 | 21.2 | 13.8 | 9 | 1.5 | 14 | 8.2 | 22 | 14.9 | 9.8 |
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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