1 型六角螺母一A级和B级 2型六角螺母—A级和B级 六角薄螺母一A级和B级—倒角
GB6170-86 GB175-86 GB172-86
标记示例:螺纹规格D=M12,性能等级为10级,不经表面处理,A级的六角螺母
1型 2型 薄螺母,倒角
螺母GB6170-86-M12 螺母GB6175-86-M12 螺母GB6172-86-M12(mm)
| 螺纹规格D | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 | M36 | |
| e min | 6.01 | 7.33 | 8.79 | 11.05 | 14.38① | 17.77 | 20.03 | 16.75 | 32.95 | 39.55 | 50.85 | 60.79 | |
| s | max | 5.5 | 7 | 8 | 10 | 13 | 16 | 18 | 24 | 30 | 36 | 46 | 55 |
| min | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 23.67 | 29.15 | 35 | 45 | 53.8 | |
| c max | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | |
| dw min | 4.6 | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 22.5 | 27.7 | 33.2 | 42.7 | 51.1 | |
| da max | 3.45 | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 17.3 | 21.6 | 25.9 | 32.4 | 38.9 | |
| GB6172-85 m | max | 2.4 | 3.2 | 4.7 | 5.2 | 6.8 | 8.4 | 10.8 | 14.8 | 18 | 21.5 | 25.6 | 31 |
| min | 2.15 | 2.9 | 4.4 | 4.9 | 6.44 | 8.04 | 10.37 | 14.1 | 16.9 | 20.2 | 24.3 | 29.4 | |
| GB6175-86 m | max | 1.8 | 2.2 | 2.7 | 3.2 | 4 | 5 | 6 | 8 | 10 | 12 | 15 | 18 |
| min | 1.55 | 1.95 | 2.45 | 2.9 | 3.7 | 4.7 | 5.7 | 7.42 | 9.10 | 10.9 | 13.9 | 16.9 | |
| GB6170-86 m | max | — | — | 5.1 | 5.7 | 7.5 | 9.3 | 12 | 16.4 | 20.3 | 23.9 | 28.6 | 34.7 |
| min | — | — | 4.8 | 5.4 | 7.14 | 8.94 | 11.57 | 15.7 | 19 | 22.6 | 27.3 | 33.1 | |
① 14.38在GB6172—86中为14.28。
1型六角开槽螺母—A级和 B级(GB 6178-86)
标记示例:
螺纹规格D=M5、性能等级为8级、不经表面处理、A级的1型六角开槽螺母:
螺母GB6178-86-M5(mm)
| 螺纹规格D | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | M30 | M36 | |
| da | min | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 24 | 30 | 36 |
| max | 4.6 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 21.6 | 25.9 | 32.4 | 38.9 | |
| de | max | — | — | — | — | — | — | — | — | 28 | 34 | 42 | 50 |
| min | — | — | — | — | — | — | — | — | 27.16 | 33 | 41 | 49 | |
| dw | min | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 | 22.5 | 27.7 | 33.2 | 42.7 | 51.1 |
| e | min | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 32.95 | 39.55 | 50.85 | 60.79 |
| m | max | 5 | 6.7 | 7.7 | 9.8 | 12.4 | 15.8 | 17.8 | 20.8 | 24 | 27.5 | 34.6 | 40 |
| min | 4.7 | 6.4 | 7.34 | 9.44 | 11.97 | 15.37 | 17.37 | 20.28 | 23.16 | 28.66 | 33.6 | 39 | |
| n | min | 1.2 | 1.4 | 2 | 2.5 | 2.8 | 3.8 | 3.5 | 4.5 | 4.5 | 5.5 | 7 | 7 |
| max | 1.8 | 2 | 2.6 | 3.1 | 3.4 | 4.25 | 4.25 | 5.7 | 5.7 | 6.7 | 8.5 | 8.5 | |
| s | max | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 30 | 36 | 46 | 55 |
| min | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 29.16 | 35 | 45 | 53.8 | |
| w | max | 3.2 | 4.7 | 5.2 | 6.8 | 8.4 | 10.8 | 12.8 | 14.8 | 18 | 21.5 | 25.6 | 31 |
| min | 2.9 | 4.4 | 4.9 | 6.44 | 8.04 | 10.37 | 12.37 | 14.37 | 17.37 | 20.88 | 24.98 | 30.38 | |
| 开口销 | 1×10 | 1.2×12 | 1.6×14 | 2×16 | 2.5×20 | 3.2×22 | 3.2×25 | 4×28 | 4×36 | 5×40 | 6.3×50 | 6.3×63 | |
注:1.尽可能不采用括号内的规格。
2.A级应用于D≤M16的螺母,B级D>M16的螺母。下载本文