Standard: ASME B 17.2
Available sizes: 1/4 to 5/16 (4 sizes)
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 1099.1 |
| DIN | DIN 6888 |
| ISO | ISO 3912 |
| UNI | UNI 6606 |
| ANSI | ANSI/ASME B 18.25.2M |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 1/4 | 1422-1 | 0.589 | 0.584 | 2.000 | 1.990 | 25/32 | 0.594 | 0.578 |
| 3/16 | 1022-1 | 0.589 | 0.584 | 2.000 | 1.990 | 25/32 | 0.594 | 0.578 |
| 3/8 | 1217 | 0.526 | 0.521 | 1.723 |
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.
| 1.713 |
| 17/32 |
| 0.531 |
| 0.515 |
| 5/16 | 1622-1 | 0.589 | 0.584 | 2.000 | 1.990 | 25/32 | 0.594 | 0.578 |
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