Standard: ASME B 18.3 - 2003
Available sizes: - to 7/64 (6 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 5356 |
| DIN | DIN ISO 2936 |
| ISO | ISO 2936 |
| UNI | UNI 6753 |
| ANSI | ANSI/ASME B 18.3.2M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | 0.094 | 3.281 | 3.469 | 0.1035 | 0.750 | 0.0937 | 0.0927 | 2.094 | 1.906 | 0.1058 | 0.562 |
| 1/16 | 0.125 | 3.656 | 3.844 | 0.1390 | 0.844 | 0.1250 | 0.1235 | 2.344 |
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.
| 2.156 |
| 0.1418 |
| 0.656 |
| 1/8 | 0.375 | 6.656 | 6.844 | 0.4238 | 1.469 | 0.3750 | 0.3735 | 4.344 | 4.156 | 0.4285 | 1.281 |
| 3/32 | 0.219 | 4.781 | 4.969 | 0.2460 | 1.125 | 0.2187 | 0.2172 | 3.094 | 2.906 | 0.2490 | 0.938 |
| 5/64 | 0.156 | 4.031 | 4.219 | 0.1745 | 0.938 | 0.1562 | 0.1547 | 2.594 | 2.406 | 0.1774 | 0.750 |
| 7/64 | 0.312 | 5.906 | 6.094 | 0.3531 | 1.344 | 0.3125 | 0.3110 | 3.844 | 3.656 | 0.3570 | 1.156 |
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