Standard: HG /T 20613
Available sizes: M10 to M20 (4 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.75 | 7.21 | 7.79 | 12 | 11.73 | 30 | 36 | 7.68 | 7.32 | 49 | 11.57 |
| M12 | 2.5 | 12.15 | 12.85 | 20 | 19.67 | 46 | 52 |
| 12.715 |
| 12.285 |
| 65 |
| 19.48 |
| M16 | 3 | 16.65 | 17.35 | 27 | — | 60 | 66 | — | — | 79 | 26.48 |
| M20 | 3.5 | 20.58 | 21.42 | 33 | — | / | 78 | — | — | 91 | 32.38 |
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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