Standard: JIS B 2809
Available sizes: FS11 to FS9 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FS11 | 22 | 48 | 14 | 11 | 9.7 | 22.5 | 20.5 | 14.5 | 15 | 10 | 54 |
| FS7 | 13 | 32 | 11.5 | 8 | 6.7 | 13.5 | 11.5 | 12 |
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.
| 12.5 |
| 7 |
| 45 |
| FS9 | 19 | 42 | 14 | 11 | 9.7 | 19.5 | 17.5 | 14.5 | 15 | 10 | 53 |
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