Standard: JIS B 1183 - 2010
Available sizes: M10 to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 23.5 | 15 | 26.6 | 15 | 1.5 | 27 | 27 | 26.65 | 27.4 | 14.57 |
| M4 | 0.8 | 6.6 | 4 | 7.25 | 4 | — | 7.5 | 8 | 7.8 | 7.75 | 3.7 |
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.
| M5 |
| 1.25 |
| 11.5 |
| 6.5 |
| 12.2 |
| 6.5 |
| 1 |
| 12.5 |
| 13 |
| 12.75 |
| 12.8 |
| 6.14 |
| M6 | 1.75 | 16.5 | 10 | 18.2 | 10 | 1.25 | 18.5 | 19 | 18.65 | 18.8 | 9.64 |
| M8 | 2 | 21.5 | 13 | 23.6 | 13 | 1.5 | 24 | 24 | 23.65 | 24.4 | 12.57 |
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