Standard: JIS B 1163 - 2001
Available sizes: M10 to M8 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 18 | 31 | 31 | 17.3 | 18.9 | 18 | 17.57 | 32 | 31.6 | 18 | 17.1 |
| M12 | 19 | 35 | 35 | 18.16 | 20 | 19 | 18.48 | 36 | 35.6 | 19 | 18 |
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.
| M3 |
| 3.2 |
| — |
| 6.4 |
| 2.72 |
| — |
| 3.2 |
| 2.9 |
| 7 |
| 6.8 |
| 3.2 |
| — |
| M4 | 5 | 9.4 | 9.4 | 4.52 | 5.6 | 5 | 4.7 | 10 | 9.8 | 5 | 4.4 |
| M5 | 8 | 16.3 | 16.3 | 7.42 | 8.8 | 8 | 7.64 | 17 | 16.75 | 8 | 7.2 |
| M6 | 11 | 21.2 | 21.2 | 10.3 | 11.9 | 11 | 10.57 | 22 | 21.65 | 11 | 10.1 |
| M8 | 15 | 26.2 | 26.2 | 14.3 | 15.9 | 15 | 14.57 | 27 | 26.65 | 15 | 14.1 |
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