Standard: HG /T 21629
Available sizes: 15 to 40 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 15 | 4710 | 38 | 8 | M8 | 35 | 40 |
| 20 | 7460 | 45 | 16 | M10 | 50 | 50 |
| 25 | 7460 | 45 | 19 | M10 | 69 | 60 |
| 32 | 10990 | 55 | 35 | M12 | 104 | 80 |
| 40 |
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.
| 20600 |
| 70 |
| 86 |
| M16 |
| 153 |
| 110 |
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