Standard: YJT 3027
Available sizes: 4-6-20 to 6-8-30 (7 sizes)
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 4-6-20 | M5 | 20 | 8 | 12.3 | 4 |
| 4-8-30 | M4 | 40 | 13.8 | 23 | 7.4 |
| 4-8-40 | M6 | 45L | 16 | 23 | 8.3 |
| 5-6-20 | M5 | 30 | 13 | 21 | 6.5 |
| 5-8-30 | M6 | 40 | 13.8 | 23 | 7.4 |
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.
| 5-8-40 | M8 | 45L | 16 | 23 | 8.3 |
| 6-8-30 | M6 | 45/50/60 | 16 | 23 | 7.5 |
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