Standard: YJT 7038
Available sizes: 0.094 to 0.3750 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.094 | 0.128 | 0.041 | 0.058 | 0.361 | 0.01 | 0.122 | 0.366 | 0.034 | 0.024 | 0.371 | 0.029 |
| 0.1250 | 0.192 | 0.054 | 0.062 | 0.439 | 0.01 | 0.184 | 0.444 | 0.038 |
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.
| 0.024 |
| 0.449 |
| 0.031 |
| 0.156 | 0.316 | 0.091 | 0.074 | 0.579 | 0.01 | 0.308 | 0.584 | 0.045 | 0.029 | 0.589 | 0.037 |
| 0.188 | 0.442 | 0.200 | 0.09 | 0.732 | 0.015 | 0.432 | 0.737 | 0.054 | 0.036 | 0.742 | 0.045 |
| 0.2500 | 0.567 | 0.286 | 0.108 | 0.879 | 0.015 | 0.557 | 0.889 | 0.064 | 0.044 | 0.899 | 0.054 |
| 0.312 | 0.755 | 0.340 | 0.108 | 1.066 | 0.015 | 0.745 | 1.076 | 0.064 | 0.044 | 1.086 | 0.054 |
| 0.3750 | 1.005 | 0.472 | 0.108 | 1.317 | 0.015 | 0.995 | 1.327 | 0.064 | 0.044 | 1.337 | 0.054 |
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