Standard: ASME B 18.6
Available sizes: 4# to 8# (3 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 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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