Standard: ASME B 18.6
Available sizes: 1/4 to 5/16 (3 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.3750 | 4.00 | 0.12 | 0.94 | 0.84 | 16 | 1.41 | 0.28 | 0.14 | 1.34 | 0.30 |
| 10# | 0.2500 | 3.00 | 0.09 | 0.81 | 0.72 | 20 | 1.05 | 0.22 |
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.
| 0.11 |
| 0.99 |
| 0.24 |
| 5/16 | 0.5000 | 3.00 | 0.16 | 1.09 | 0.97 | 13 | 1.81 | 0.38 | 0.18 | 1.72 | 0.40 |
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