Standard: JIS B 2809
Available sizes: F10 to F8 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F10 | 24.5 | M14 | 31.5 | 60 | 17 | 22.5 | 11 | 48 | 32.5 | 9.7 | 16 |
| F12 | 31.5 | M18 | 43 | 78 | 22.3 | 27.5 | 13.5 | 62 | 45 | 11.7 | 20.7 |
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.
| F14 |
| 39.5 |
| M22 |
| 53 |
| 94 |
| 26.3 |
| 33.5 |
| 15.5 |
| 75 |
| 55 |
| 13.6 |
| 24.7 |
| F16 | 50 | M27 | 68.5 | 120 | 32.5 | 46 | 18 | 93 | 71.5 | 15.6 | 30.5 |
| F18 | 61 | M33 | 87.5 | 150 | 38.5 | 57 | 23 | 115 | 90.5 | 20.5 | 36.5 |
| F6 | 12.5 | M8 | 17.5 | 36 | 10.5 | 10.5 | 7 | 31 | 18.5 | 5.7 | 9.5 |
| F8 | 18.5 | M12 | 25.5 | 51 | 15 | 16.5 | 9 | 39 | 26.5 | 7.7 | 14 |
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