Originally posted on 2020年12月24日 @ 下午7:40
螺纹规格为M6~M48的球面六角螺母。
标记示例:
螺纹规格D=M20、机械性能为8级、表面氧化的球面六角螺母的标记:
螺母 GB 804 M20

螺纹规格为M6~M48的球面六角螺母:
螺纹规格 | da | d1 | e | m | m′ | R | s | |||
D | max | min | min | max | min | max | min | |||
M6 | 6.75 | 6 | 7.5 | 11.05 | 10.29 | 9.71 | 7.77 | 10 | 10 | 9.78 |
M8 | 8.75 | 8 | 9.5 | 14.38 | 12.35 | 11.65 | 9.32 | 12 | 13 | 12.73 |
M10 | 10.8 | 10 | 11.5 | 17.77 | 16.35 | 15.65 | 12.52 | 16 | 16 | 15.73 |
M12 | 13 | 12 | 14 | 20.03 | 20.42 | 19.58 | 15.66 | 20 | 18 | 17.73 |
M16 | 17.3 | 16 | 18 | 26.75 | 25.42 | 24.58 | 19.66 | 25 | 24 | 23.67 |
M20 | 21.6 | 20 | 22 | 32.95 | 32.5 | 31.5 | 25.2 | 32 | 30 | 29.16 |
M24 | 25.9 | 24 | 26 | 39.85 | 38.5 | 37.5 | 30 | 36 | 36 | 35 |
M30 | 32.4 | 30 | 32 | 50.85 | 48.5 | 47.5 | 38 | 40 | 46 | 45 |
M36 | 38.9 | 36 | 38 | 6079 | 55.6 | 54.4 | 43.52 | 50 | 55 | 53.8 |
M42 | 45.4 | 42 | 44 | 72.09 | 65.6 | 64.4 | 51.52 | 63 | 65 | 63.8 |
M48 | 51.8 | 48 | 50 | 82.6 | 75.6 | 74.4 | 59.52 | 70 | 75 | 73.1 |