Standard: UNI 7285 - 1974
Available sizes: 10 to 8 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 10 | 25 | M20 | 100 | 24.967 | 40 | 27 |
| 12 | 40 | M30 | 130 | 39.961 | 58 | 42.6 |
| 16 | 50 | M36 | 150 | 49.961 | 70 | 53 |
| 5 | 6 | M6 | 30 | 5.982 |
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.
| 18 |
| 6.6 |
| 6 | 10 | M10 | 45 | 9.978 | 24 | 10.9 |
| 8 | 16 | M16 | 72 | 15.973 | 35 | 17.4 |
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