Standard: ASME B 18.6
Available sizes: 10# to 8# (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 10# | 0.3750 | 0.433 | 0.258 | 0.717 | 0.662 | 0.249 | 0.226 | 0.165 | 0.075 |
| 4# | 0.1380 | 0.157 | 0.086 | 0.262 | 0.235 | 0.068 | 0.051 | 0.060 | 0.033 |
| 6# |
| 0.1900 |
| 0.219 |
| 0.122 |
| 0.362 |
| 0.329 |
| 0.109 |
| 0.087 |
| 0.083 |
| 0.042 |
| 8# | 0.3125 | 0.355 | 0.207 | 0.597 | 0.550 | 0.197 | 0.175 | 0.138 | 0.063 |
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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