Standard: UNI 5730 - 1965
Available sizes: M10 to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 18 | 12.55 | 12 | 48 | 30 | 18.35 | 17.65 | 29.35 | 15.5 | 42 | 30.65 |
| M12 | 22 | 14.55 | 14 | 56 | 35 | 22.42 | 21.58 |
| 34.2 |
| 18.5 |
| 50 |
| 35.8 |
| M14 | 24 | 16.55 | 16 | 60 | 40 | 24.42 | 23.58 | 39.2 | 21 | 54 | 40.8 |
| M5 | 6 | 4.375 | 4 | / | 11 | 6.24 | 5.76 | 10.45 | 6 | 18 | 11.55 |
| M6 | 10 | 7.45 | 7 | / | 18 | 10.29 | 9.71 | 17.45 | 9.5 | 26 | 18.55 |
| M8 | 14 | 9.45 | 9 | 40 | 23 | 14.35 | 13.65 | 22.35 | 12 | 34 | 23.65 |
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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