Standard: ANSI B 18.3
Available sizes: 0.7 to 2.5 (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.7 | 0.899 | 1.5 | 65 | 11 | 6 | 0.876 | 0.998 | 28 | 71 | 0.96 | 34 |
| 0.9 | 1.500 | 1.5 | 76 | 14 | 13 | 1.470 | 1.69 | 43 |
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.
| 78 |
| 1.64 |
| 45 |
| 1.3 | 2.500 | 2.5 | 87 | 18 | 17 | 2.470 | 2.82 | 53 | 90 | 2.77 | 56 |
| 1.5 | 4.000 | 4.0 | 102 | 25 | 23 | 3.960 | 4.532 | 66 | 106 | 4.47 | 70 |
| 2 | 6.000 | 6.0 | 136 | 32 | 30 | 5.950 | 6.828 | 86 | 140 | 6.76 | 90 |
| 2.5 | 8.000 | 8.0 | 155 | 36 | 34 | 7.950 | 9.136 | 95 | 160 | 9.03 | 100 |
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