Standard: IFI 148
Available sizes: 1/4 to 8# (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 13 | 0.144 | 0.307 | 0.195 | 0.06 | 1 | 0.972 | 0.417 | 0.33 | 0.205 | 0.055 |
| 10# | 18 | 0.13 | 0.27 | 0.17 | 0.055 | 0.81 | 0.78 | 0.329 |
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.
| 0.29 |
| 0.18 |
| 0.05 |
| 8# | 24 | 0.1 | 0.19 | 0.12 | 0.045 | 0.622 | 0.592 | 0.25 | 0.21 | 0.13 | 0.04 |
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