Standard: IFI 148
Available sizes: 10# to 8# (4 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 10# | 13 | 0.66 | 0.136 | 0.062 | 1.005 | 0.975 | 0.155 | 0.145 | 0.146 | 0.058 |
| 4# | 32 | 0.156 | 0.036 | 0.022 | 0.260 | 0.240 | 0.055 | 0.045 | 0.046 | 0.018 |
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.
| 6# | 24 | 0.25 | 0.058 | 0.032 | 0.385 | 0.365 | 0.085 | 0.075 | 0.068 | 0.028 |
| 8# | 18 | 0.39 | 0.089 | 0.047 | 0.630 | 0.605 | 0.125 | 0.115 | 0.099 | 0.043 |
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