Standard: UNI 6420 - 1969
Available sizes: M10 to M8 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 38 | 22 | 14 | 13.82 | 24.49 | 9 | 34 | 21.67 |
| M12 | 2.5 | 51 | 30 | 20 | 19.79 | 33.53 | 13 | 46 | 29.67 |
| M14 |
| 3 |
| 60 |
| 36 |
| 24 |
| 23.79 |
| 39.98 |
| 15 |
| 54 |
| 35.38 |
| M8 | 1.5 | 29 | 17 | 10 | 9.85 | 18.9 | 7 | 26 | 16.73 |
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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