Standard: JIS B 1170 - 1994
Available sizes: (M14) to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M14) | 2.5 | 13.2 | 13 | √ | √ | 1.5 | √ | 25.48 | 25.16 | √ | 26 |
| M10 | 2 | 11.2 | 11 | √ | √ | 1.5 | √ | 15.57 | 15.3 | √ | 16 |
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.
| M12 |
| 2.5 |
| 13.2 |
| 13 |
| √ |
| √ |
| 1.5 |
| √ |
| 20.48 |
| 20.16 |
| √ |
| 21 |
| M16 | 3 | 14.2 | 14 | √ | √ | 2 | √ | 26.48 | 26.16 | √ | 27 |
| M8 | 1.5 | 8.2 | 8 | √ | — | 1.25 | √ | 11.57 | 11.3 | — | 12 |
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