Standard: ASME B 18.6
Available sizes: 1# to 5# (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1# | 0.086 | 80° | 82° | 0.051 | 0.069 | 56 | 0.162 | 0.017 | T6 | 0.144 | 0.022 |
| 2# | 0.112 | 80° | 82° | 0.067 | 0.094 | 40 | 0.212 |
| 0.028 |
| T8 |
| 0.191 |
| 0.033 |
| 3# | 0.138 | 80° | 82° | 0.083 | 0.111 | 32 | 0.262 | 0.035 | T10 | 0.238 | 0.045 |
| 4# | 0.190 | 80° | 82° | 0.116 | 0.155 | 24 | 0.362 | 0.050 | T20 | 0.333 | 0.065 |
| 5# | 0.216 | 80° | 82° | 0.132 | 0.178 | 24 | 0.412 | 0.055 | T25 | 0.380 | 0.070 |
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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