Standard: UNI 6605 - 1969
Available sizes: 10 to 8 (6 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 10 | 12 | M4 | 3.2 | 8 | 4.5 | M4×10 | 8 | 10 |
| 12 | 16 | M5 | 4.1 | 10 | 5.5 | M5×10 | 10 | 10 |
| 14 | 20 | M6 | 4.8 | 12 | 6.6 | M6×12 | 11 | 12 |
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.
| 16 |
| 25 |
| M8 |
| 6 |
| 14 |
| 9 |
| M8×16 |
| 15 |
| 15 |
| 18 | 28 | M10 | 7.3 | 16 | 11 | M10×16 | 18 | 17 |
| 8 | 8 | M3 | 2.4 | 7 | 3.4 | M3×8 | 6 | 7 |
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