Standard: ISO 2852
Available sizes: 12 to 33.7 (6 sizes)
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 | 12.7 | 16 | 16.735 | 16.665 | 13.06 | 12.99 | 33.84 | 27.5 | 16.7 | 34 |
| 12.7 | 21.3 | 20 | 25.342 | 25.258 | 21.684 | 21.6 | 33.84 | 27.5 | 25.3 |
| 34 |
| 17.2 | 33.7 | 20 | 38.15 | 38.05 | 34.11 | 34.01 | 50.31 | 43.5 | 38.1 | 50.5 |
| 21.3 | 40 | 20 | 44.85 | 44.75 | 40.41 | 40.31 | 63.81 | 56.5 | 44.8 | 64 |
| 25 | 63.5 | 30 | 68.96 | 68.84 | 63.96 | 63.84 | 77.31 | 70.5 | 68.9 | 77.5 |
| 33.7 | 76.1 | 30 | 81.97 | 81.83 | 76.58 | 76.46 | 90.78 | 83.5 | 81.9 | 91 |
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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