Standard: ASME B 18.16
Available sizes: 10# to 8# (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 10# | 0.3750 | 0.5510 | 0.650 | 16 | 24 | 0.415 | 0.32 | 0.5645 | 0.628 |
| 12# | 0.5000 | 0.7360 | 0.866 | 13 | 20 | 0.573 | 0.427 | 0.7520 | 0.840 |
| 4# | 0.1380 |
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.
| 0.302 |
| 0.361 |
| 32 |
| 40 |
| 0.171 |
| 0.102 |
| 0.313 |
| 0.344 |
| 6# | 0.1900 | 0.362 | 0.433 | 24 | 32 | 0.241 | 0.117 | 0.376 | 0.413 |
| 8# | 0.2500 | 0.4280 | 0.505 | 20 | 28 | 0.288 | 0.212 | 0.4385 | 0.488 |
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