Standard: YJT 7012
Available sizes: 40 to 52 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 1.75 | 39.05 | 39.3 | 6.5 | 4.5 | 38.5 | 38.89 | 4.3 | 3.5 | 37.6 | 2.5 |
| 42 | 1.75 | 44.05 | 44.3 | 6.8 | 4.9 | 43.5 | 43.89 | 4.5 |
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.
| 3.7 |
| 42.6 |
| 2.5 |
| 45 | 2 | 48.45 | 48.7 | 7 | 5.2 | 47.8 | 48.19 | 5.1 | 4.1 | 46.9 | 2.5 |
| 47 | 2 | 53.4 | 53.7 | 7.3 | 5.5 | 52.8 | 53.26 | 5.2 | 4.2 | 51.7 | 2.5 |
| 50 | 2 | 58.4 | 58.7 | 7.5 | 6 | 57.8 | 58.26 | 5.4 | 4.4 | 56.7 | 2.5 |
| 52 | 2.5 | 63.4 | 63.7 | 7.9 | 6.4 | 62.8 | 63.26 | 6.3 | 5 | 61.7 | 3 |
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