Standard: HB 8221
Available sizes: 10 to 8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | M24×1.5 | 29.7 | 30 | 26.7 | 27.13 | 22.3 | 22.73 | 27 | 34.6 | 22.6 | 27 |
| 12 | M30×1.5 | 35.9 | 36 | 32.9 | 33.37 | 28.3 | 28.73 | 33 |
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.
| 41.6 |
| 28.6 |
| 33.21 |
| 14 | M33×2 | 38.9 | 41 | 35.9 | 36.37 | 30.7 | 31.17 | 36 | 47.3 | 31.01 | 36.21 |
| 16 | M39×2 | 45.3 | 46 | 42.5 | 42.98 | 36.7 | 37.17 | 43 | 53.1 | 37.01 | 42.82 |
| 6 | M14×1 | 20 | 22 | 16.1 | 16.5 | 12.9 | 13.3 | 17 | 25.4 | 13.19 | 16.39 |
| 8 | M20×1.5 | 25.5 | 27 | 22.3 | 22.73 | 18.3 | 18.73 | 23 | 31.2 | 18.6 | 22.6 |
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