Standard: JIS B 1181 - 2004
Available sizes: (M10) to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M10) | 1.5 | 21 | 9.68 | 14 | 19.64 | 0.6 | 0.15 | 12.8 | 12.1 | 15.1 | 23.36 |
| (M12) | 2 | 30 | 13.52 | 20 | 27.7 | 0.8 | 0.2 | 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.
| 16.9 |
| 21.6 |
| 32.95 |
| (M14) | 2 | 36 | 16.16 | 24 | 33.25 | 0.8 | 0.2 | 21.5 | 20.2 | 25.9 | 39.55 |
| M10 | 1.5 | 18 | 8.3 | 12 | 16.63 | 0.6 | 0.15 | 10.8 | 10.37 | 13 | 20.03 |
| M12 | 1.5 | 27 | 12.08 | 18 | 24.85 | 0.8 | 0.2 | 15.8 | 15.1 | 19.5 | 29.56 |
| M8 | 1 | 16 | 6.43 | 10 | 14.63 | 0.6 | 0.15 | 8.4 | 8.04 | 10.8 | 17.77 |
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