Standard: ASME B 18.2
Available sizes: 0# to 5# (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.125 | 0.134 | 64 | 72 | 0.043 | 0.050 | 0.121 | 0.140 |
| 1# | 0.0990 | 0.156 | 0.171 | 48 | 56 | 0.057 | 0.066 | 0.150 | 0.180 |
| 2# |
| 0.1250 |
| 0.250 |
| 0.275 |
| 40 |
| 44 |
| 0.087 |
| 0.098 |
| 0.241 |
| 0.289 |
| 3# | 0.1640 | 0.250 | 0.275 | 32 | 36 | 0.087 | 0.098 | 0.241 | 0.289 |
| 4# | 0.1900 | 0.250 | 0.275 | 24 | 32 | 0.087 | 0.098 | 0.241 | 0.289 |
| 5# | 0.1900 | 0.344 | 0.378 | 24 | 32 | 0.117 | 0.130 | 0.332 | 0.397 |
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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