Standard: UNI 7434
Available sizes: 0.8 to 2.3 (5 sizes)
| Standard Body | Standard Number |
|---|---|
| DIN | DIN 6799 |
| UNI | UNI 7434 |
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| 0.8 | 1.05 | 0.28 | 3 | 1.01 | 0.3 | 0.32 | 0.009 |
| 1.2 | 1.65 | 0.48 | 4.5 | 1.61 | 0.5 | 0.52 | 0.04 |
| 1.5 | 2.74 | 0.58 | 7 | 2.7 | 0.6 | 0.62 | 0.088 |
| 1.9 |
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.
| 4.158 |
| 0.68 |
| 11 |
| 4.11 |
| 0.7 |
| 0.72 |
| 0.236 |
| 2.3 | 5.308 | 0.68 | 12 | 5.26 | 0.7 | 0.72 | 0.255 |
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