1、螺栓+螺帽+平垫+弹垫
2、螺栓+螺帽+台阶垫片+圆柱形橡胶
3、螺栓+螺帽+倒角垫片+O型橡胶垫圈
4、螺栓+螺帽+碗垫+橡胶圈或麻绳垫
六、螺纹螺距的标准:
规 格 | 牙 距 | ||||
粗 牙 | 细 牙 | 极 细 牙 | |||
M10 | 1.5 | 1.25 | 1 | 0.75 | |
M12 | 1.75 | 1.5 | 1.25 | 1 | |
M14 | 2 | 1.5 | 1.25 | 1 | |
M16 | 2 | 1.5 | 1 | ||
M18 | 2.5 | 2 | 1.5 | 1 | |
M20 | 2.5 | 2 | 1.5 | 1 | |
M22 | 2.5 | 2 | 1.5 | 1 | |
M24 | 3 | 2 | 1.5 | 1 | |
M27 | 3 | 2 | 1.5 | 1 | |
M30 | 3.5 | (3) | 2 | 1 | |
M33 | 3.5 | (3) | 2 | 1.5 | |
M36 | 4 | 3 | 2 | 1.5 | |
M39 | 4 | 3 | 2 | 1.5 | |
M42 | 4.5 | 3 | 2 | 1.5 | |
M45 | 45 | 4 | 3 | 2 | 1.5 |
M48 | 5 | 4 | 3 | 2 | 1.5 |