Standard: IFI 505 - 1999
Available sizes: 3 to 5 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 3.2 | 25 | 1.93 | 6.05 | 9.91 | 3.25 | 3.1 | 1.02 | 1.65 | 6.65 | 9.14 |
| 4 | 4.8 | 27 | 2.9 | 9.04 | 16.51 | 4.85 | 4.65 | 1.52 |
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.
| 2.34 |
| 10.01 |
| 15.24 |
| 5 | 6.3 | 31 | 3.84 | 12.07 | 19.81 | 6.48 | 6.25 | 2.03 | 2.72 | 13.33 | 18.29 |
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