Standard: YJT 7021
Available sizes: 0.625 to 1.062 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.625 | 0.035 | 0.61 | 0.56 | 0.818 | 0.803 | 0.037 | 0.033 | 0.085 | 0.04 | 0.808 | 0.085 |
| 0.75 | 0.042 | 0.72 | 0.66 | 0.954 | 0.939 | 0.044 | 0.04 |
| 0.099 |
| 0.04 |
| 0.944 |
| 0.099 |
| 0.812 | 0.042 | 0.83 | 0.75 | 1.091 | 1.076 | 0.044 | 0.04 | 0.113 | 0.04 | 1.081 | 0.113 |
| 0.875 | 0.05 | 0.93 | 0.85 | 1.232 | 1.212 | 0.052 | 0.048 | 0.123 | 0.048 | 1.217 | 0.123 |
| 0.938 | 0.05 | 1.06 | 0.96 | 1.366 | 1.346 | 0.052 | 0.048 | 0.129 | 0.048 | 1.351 | 0.129 |
| 1 | 0.05 | 1.17 | 1.08 | 1.501 | 1.481 | 0.052 | 0.048 | 0.135 | 0.048 | 1.486 | 0.135 |
| 1.062 | 0.05 | 1.24 | 1.13 | 1.567 | 1.547 | 0.052 | 0.048 | 0.144 | 0.074 | 1.552 | 0.144 |
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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