Standard: HG /T 21545
Available sizes: (M18) to M30 (7 sizes)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| (M18) | 90 | 10 | 75 | 95 |
| (M22) | 130 | 12 | 90 | 120 |
| (M27) | 180 | 14 | 110 | 140 |
| M16 | 70 | 10 | 75 | 90 |
| M20 | 110 | 10 | 80 | 105 |
| M24 | 150 |
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.
| 12 |
| 100 |
| 130 |
| M30 | 190 | 16 | 120 | 150 |
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