Standard: UNI 2733 - 1965
Available sizes: M10 to M8 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 16.215 | 16 | 17 | 26.75 | 4 | 4 | 23.48 | 20 | 23 | 24 |
| M12 | 2.5 | 20.26 | 20 | 21 | 33.53 | 5 | 4 |
| 28.48 |
| 25 |
| 29 |
| 29 |
| M14 | 3 | 24.26 | 24 | 25 | 39.98 | 6 | 5 | 34.38 | 30 | 35 | 35 |
| M6 | 1.25 | 8.18 | 8 | 8.5 | 14.38 | 2.5 | 3 | 12.57 | 10 | 12 | 13 |
| M8 | 1.75 | 12.215 | 12 | 12.5 | 21.1 | 3.5 | 3 | 17.57 | 15 | 18 | 18 |
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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