Standard: JIS B 1183 - 2001
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 | 26.5 | 18 | 31.1 | 18 | 1.5 | 31.5 | 30 | 29.65 | 31.9 | 17.57 |
| M10 | 2 | 16.5 | 11 | 19.2 | 11 | 1.5 | 19.5 | 19 | 18.65 | 19.8 | 10.57 |
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 | 21.5 | 15 | 25.6 | 15 | 1.5 | 26 | 24 | 23.65 | 26.4 | 14.57 |
| M16 | 3 | 28.5 | 19 | 33.1 | 19 | 2 | 33.5 | 32 | 31.6 | 33.9 | 18.48 |
| M8 | 1.5 | 12.5 | 8 | 14.2 | 8 | 1.25 | 14.5 | 14 | 13.75 | 14.8 | 7.64 |
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