Standard: ISO 2852
Available sizes: 25 to 70 (7 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 31.3 | 2.8 | 50.31 | 21.5 | 34.3 | 34.14 | 2.85 | 2.9 | 50.5 | 43.5 |
| 33.7 | 37.6 | 2.8 | 63.81 | 21.5 | 40.6 | 40.44 | 2.85 | 2.9 | 64 |
| 56.5 |
| 38 | 60.3 | 2.8 | 77.31 | 21.5 | 64.1 | 63.91 | 2.85 | 2.9 | 77.5 | 70.5 |
| 40 | 72.9 | 2.8 | 90.78 | 21.5 | 76.7 | 76.51 | 2.85 | 2.9 | 91 | 83.5 |
| 51 | 97.6 | 2.8 | 118.78 | 21.5 | 102.5 | 102.28 | 2.85 | 2.9 | 119 | 110 |
| 63.5 | 135.7 | 5.54 | 154.75 | 28 | 141.2 | 140.95 | 5.6 | 5.66 | 155 | 146 |
| 70 | 213.9 | 5.54 | 233.21 | 28 | 221.2 | 220.91 | 5.6 | 5.66 | 233.5 | 225 |
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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