Standard: YJT 5023
Available sizes: M4 to M8 (4 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| M4 | 8 | 9 | 4 | 1 | 7 | 7.6 ~ 7.7 | 2 |
| M5 | 12 | 11 | 6 | 1.5 | 9 | 11.3 ~ 11.5 | 2 |
| M6 | 16 | 15 | 10 | 1.75 | 12 | 15.2 ~ 15.4 | 2 |
| M8 |
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.
| 20 |
| 17 |
| 10 |
| 2 |
| 14 |
| 19.2 ~ 19.4 |
| 2 |
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