Standard: ASME B 18.21
Available sizes: 10 to 8 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 10 | 17 | 2.2 | 1.8 | 16.4 | 32 | 31 |
| 12 | 21.2 | 2.6 | 2.2 | 20.5 | 42 | 41 |
| 6 | 8.5 | 1.25 | 1.05 | 8.2 | 15.5 | 14.5 |
| 8 | 12.7 | 1.7 | 1.5 |
| 12.3 |
| 25 |
| 24 |
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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