Standard: ZZB 1842 - 2020
Available sizes: M10 to M8 (7 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 23.5 | 164900 | 1.8 | 20.9 | 21.1 | 24 | 26.9 | 9.3 | 9.3 | 21 | 1 |
| M12 | 29.5 | 259700 | 2 | 26.9 | 27.1 | 30 | 33.2 |
| 12.1 |
| 12.1 |
| 27 |
| 1 |
| M14 | 35 | 374200 | 2 | 31.9 | 32.1 | 36 | 40.5 | 14.25 | 14.25 | 32 | 1.5 |
| M16 | 45 | 594700 | 2 | 36.9 | 37.1 | 46 | 51 | 16.75 | 16.75 | 37 | 1.5 |
| M18 | 54 | 866000 | 2.5 | 39.9 | 40.1 | 55 | 61.2 | 18.25 | 18.25 | 40 | 1.5 |
| M6 | 13.5 | 38100 | 1 | 13.9 | 14.1 | 14 | 15 | 6.1 | 6.1 | 14 | 1 |
| M8 | 18.5 | 88500 | 1.6 | 17.9 | 18.1 | 19 | 21 | 8 | 8 | 18 | 1 |
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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