Standard: ASME B 18.6
Available sizes: 1# to 7# (7 sizes)
| Size | P | k_min | s_max | s_min | ds_max | ds_min |
|---|---|---|---|---|---|---|
| 1# | 0.0860 | 0.134 | 0.125 | 0.120 | 0.050 | 0.040 |
| 2# | 0.1120 | 0.202 | 0.188 | 0.181 | 0.060 | 0.049 |
| 3# | 0.1380 | 0.272 | 0.250 | 0.244 | 0.093 | 0.080 |
| 4# | 0.1640 | 0.272 | 0.250 |
| 0.244 |
| 0.110 |
| 0.096 |
| 5# | 0.2160 | 0.340 | 0.312 | 0.305 | 0.155 | 0.139 |
| 6# | 0.3200 | 0.545 | 0.500 | 0.489 | 0.230 | 0.208 |
| 7# | 0.3720 | 0.614 | 0.562 | 0.551 | 0.295 | 0.270 |
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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