Standard: ASME B 18.6
Available sizes: 2# to 7# (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2# | 0.0990 | 80° | 82° | 0.059 | 0.070 | 28 | 0.187 | 0.028 | 0 | 0.167 | 0.038 |
| 3# | 0.1250 | 80° | 82° | 0.075 | 0.091 | 20 | 0.237 |
| 0.040 |
| 1S |
| 0.215 |
| 0.055 |
| 4# | 0.1510 | 80° | 82° | 0.091 | 0.091 | 19 | 0.287 | 0.050 | 1R | 0.262 | 0.065 |
| 5# | 0.1900 | 80° | 82° | 0.116 | 0.112 | 16 | 0.362 | 0.060 | 2R | 0.333 | 0.075 |
| 6# | 0.2500 | 80° | 82° | 0.153 | 0.133 | 14 | 0.477 | 0.080 | 3R | 0.442 | 0.095 |
| 7# | 0.3750 | 80° | 82° | 0.230 | 0.191 | 12 | 0.717 | 0.085 | 4R | 0.670 | 0.100 |
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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