Standard: ANSI B 5.1
Available sizes: 1 to 7 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | / | 4 | / | 10 | 9.5 | M5 | / | 14.1 | / | / | / |
| 2 | 0.312-18 | 6 | 0.172 | 15 | 14 | M8 | 0.562 | 21.2 | 0.188 | 0.531 | 0.796 |
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.
| 3 |
| 0.500-13 |
| 8 |
| 0.297 |
| 22 |
| 21 |
| M12 |
| 0.875 |
| 31.1 |
| 0.312 |
| 0.844 |
| 1.238 |
| 4 | 0.750-10 | 14 | 0.500 | 34 | 33 | M20 | 1.312 | 48.1 | 0.531 | 1.281 | 1.856 |
| 5 | 1.250-7 | 23 | 0.906 | 53 | 52 | M30 | 2.062 | 75 | 0.938 | 2.031 | 2.917 |
| 6 | / | 32 | / | 75 | 74 | M42 | / | 106.1 | / | / | / |
| 7 | / | 36 | / | 85 | 84 | M48 | / | 120.2 | / | / | / |
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