Standard: SAE J 489
Available sizes: 1/4 to 8# (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.500 | 0.045 | 0.037 | 0.529 | 0.512 | 0.294 | 0.976 | 0.304 |
| 10# | 0.312 | 0.028 | 0.023 | 0.333 | 0.318 | 0.165 | 0.599 | 0.192 |
| 12# | 0.438 | 0.045 | 0.037 | 0.463 | 0.448 |
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.
| 0.260 |
| 0.867 |
| 0.270 |
| 4# | 0.138 | 0.021 | 0.017 | 0.150 | 0.140 | 0.082 | 0.289 | 0.092 |
| 6# | 0.190 | 0.025 | 0.020 | 0.205 | 0.195 | 0.083 | 0.354 | 0.099 |
| 8# | 0.250 | 0.025 | 0.020 | 0.267 | 0.255 | 0.113 | 0.454 | 0.128 |
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