Standard: ASME B 18.8
Available sizes: 2/0 to 7/0 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 2/0 | 0.2500 | 0.2500 | 0.260 | 0.2513 | 0.2493 | 0.2510 | 0.240 |
| 3/0 | 0.2190 | 0.2190 | 0.229 | 0.2203 | 0.2183 | 0.2200 | 0.209 |
| 4/0 | 0.1720 | 0.1720 | 0.182 | 0.1733 | 0.1713 | 0.1730 | 0.162 |
| 5/0 | 0.1410 | 0.1410 |
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.
| 0.151 |
| 0.1423 |
| 0.1403 |
| 0.1420 |
| 0.131 |
| 6/0 | 0.1090 | 0.1090 | 0.119 | 0.1103 | 0.1083 | 0.1100 | 0.099 |
| 7/0 | 0.0780 | 0.0780 | 0.088 | 0.0793 | 0.0773 | 0.0790 | 0.068 |
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