Standard: YJT 4058
Available sizes: 18 to 40 (5 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 | 2.5 | 1.09 | 1.43 | 1 | 1 | 4.7 | 0.4 | 2.55 | 0.97 | 0.55 | 2.56 |
| 25 | 3.5 | 1.47 | 1.96 | 1.4 | 2 | 7.3 | 0.45 |
| 4.01 |
| 1.33 |
| 0.65 |
| 3.94 |
| 30 | 4.5 | 1.7 | 2.22 | 1.6 | 2 | 9 | 0.5 | 4.23 | 1.59 | 0.7 | 4.19 |
| 35 | 6 | 2.6 | 3.22 | 2.4 | 2 | 11.3 | 0.65 | 5.13 | 2.59 | 0.85 | 5.19 |
| 40 | 7 | 3.01 | 3.68 | 2.6 | 3 | 13.6 | 0.7 | 6.81 | 3.02 | 0.9 | 6.92 |
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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