Standard: JIS B 1184 - 1994
Available sizes: M10 to M8 (6 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 27 | 9 | 66 | 35 | 12 | 68 | 33 | 8 | 70 | 37 |
| M3 | 6.5 | 4 | 15.5 | 9 | 3 | 17 | 7.5 | 3 | 18.5 | 10.5 |
| M4 | 10 | 5 |
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.
| 25.5 |
| 13 |
| 4.5 |
| 27 |
| 11.5 |
| 4 |
| 28.5 |
| 14.5 |
| M5 | 16 | 6.5 | 34 | 18 | 7.5 | 36 | 16.5 | 5.5 | 38 | 19.5 |
| M6 | 20 | 8 | 46 | 23 | 9 | 48 | 21.5 | 7 | 50 | 24.5 |
| M8 | 27 | 9 | 66 | 35 | 12 | 68 | 33 | 8 | 70 | 37 |
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