Standard: IFI 148
Available sizes: 1/4 to 8# (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 13 | 0.136 | 0.035 | 1.005 | 0.975 | 0.505 | 0.495 | 0.146 | 0.030 |
| 10# | 16 | 0.104 | 0.033 | 0.755 | 0.725 | 0.380 | 0.370 | 0.114 | 0.028 |
| 6# | 32 |
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.
| 0.042 |
| 0.028 |
| 0.323 |
| 0.303 |
| 0.169 |
| 0.159 |
| 0.052 |
| 0.023 |
| 8# | 20 | 0.073 | 0.031 | 0.510 | 0.485 | 0.255 | 0.245 | 0.083 | 0.026 |
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