Standard: JIS B 1171
Available sizes: M10 to M8 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 10.9 | 14.1 | 46 | 44.4 | 46 | 52 | 24.9 | 15.9 | 65 | 20.84 |
| M5 | 1 | 3.6 | 3.4 | 16 | 14.9 | 18 | / |
| 7.2 |
| 4.6 |
| / |
| 6.48 |
| M6 | 1.5 | 5.8 | 5.4 | 24 | 22.7 | 26 | 32 | 12.2 | 6.6 | / | 10.58 |
| M8 | 2 | 8.9 | 11.1 | 38 | 36.4 | 38 | 44 | 19.9 | 12.9 | 57 | 16.7 |
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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