Standard: ASME B 16.11 - 1991
Available sizes: 1 to 3/8 (6 sizes)
| Size | P | s_max | s_min |
|---|---|---|---|
| 1 | 1.25 | 4.5 | 3 |
| 1/2 | 0.81 | 1.91 | 2 |
| 1/4 | 0.56 | 0.84 | 1.75 |
| 1/8 | 0.44 | 0.53 | 1.62 |
| 3/4 | 1.06 | 2.88 | 2.75 |
| 3/8 | 0.75 | 1.31 | 2 |
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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