Standard: ANSI B 18.7 - 2001
Available sizes: Φ2 to Φ4 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Φ2 | 3.06 | 2.76 | 3.24 | 1 | 2.12 | 2.94 | 6.28 | 2.12 | 1.94 | 5.92 | 1.94 |
| Φ3 | 5.08 | 4.71 | 5.29 | 1.4 | 3.66 | 4.92 | 9.68 |
| 3.46 |
| 3.22 |
| 9.32 |
| 3.42 |
| Φ4 | 8.1 | 7.65 | 8.35 | 2.3 | 6.16 | 7.9 | 15.82 | 4.66 | 4.42 | 15.38 | 5.92 |
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.
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