| 六角螺母 HEX NUT |
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| SIZE | M12 | M16 | M20 | ( M22 ) | M24 | ( M27 ) | M30 | ( M33 ) | M36 | |
| P | SCREW PITCH | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 |
| DA | MAX | 13 | 17.3 | 21.6 | 23.8 | 25.9 | 29.1 | 32.4 | 35.6 | 38.9 |
| MIN | 12 | 16 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | |
| DW | MIN | 19.2 | 24.9 | 31.4 | 33.3 | 38 | 42.8 | 46.5 | 51.1 | 55.9 |
| E | MIN | 22.78 | 29.56 | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 |
| M | MAX | 12.3 | 17.1 | 20.7 | 23.6 | 24.2 | 27.6 | 30.7 | 33.65 | 36.6 |
| MIN | 11.87 | 16.4 | 19.4 | 22.3 | 22.9 | 26.3 | 29.1 | 32.05 | 35 | |
| MW | MIN | 8.3 | 11.5 | 13.6 | 15.6 | 16 | 18.4 | 20.4 | 22.4 | 24.5 |
| C | MAX | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| MIN | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | |
| S | MAX | 21 | 27 | 34 | 36 | 41 | 46 | 50 | 55 | 60 |
| MIN | 20.16 | 26.16 | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | |
| 支撑面对螺纹轴线的垂直度 | 0.29 | 0.38 | 0.47 | 0.5 | 0.57 | 0.64 | 0.7 | 0.76 | 0.84 | |
| MPCS WEIGHT | 25.3 | 56.86 | 109.07 | 135.33 | 188.56 | 270.66 | 350.64 | 462.75 | 603.64 | |
| 1. ALL DIMENSIONS SHOWN ARE WITHOUT COATING/PLATING 2. TECHNICAL REQUIREMENTS COMPLY WITH GB/T STANDARDS. 3. COMPARED WITH THE SUPERSEDED GB/T 1229-2006, THE SIZES M33 AND M36 HAVE BEEN ADDED. |
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