常用螺纹尺寸参数简明速查表
公制螺纹参数简明表 | ||
标准螺纹 | 外螺纹大径 | 内螺纹小径 |
M12*1,25 | 12 | 11,647 |
M12*1,25 | 12 | 11,376 |
M12*1,75 | 12 | 10,106 |
M14*1,5 | 14 | 12,376 |
M14*2 | 14 | 11,835 |
M16*1,5 | 16 | 14,376 |
M16*2 | 16 | 13,835 |
M18*1,5 | 18 | 16,376 |
M18*2 | 18 | 15,835 |
M18*2,5 | 18 | 15,294 |
M20*1,5 | 20 | 18,376 |
M20*2 | 20 | 17,835 |
M20*2,5 | 20 | 17,294 |
M22*1,5 | 22 | 20,376 |
M22*2 | 22 | 19,835 |
M22*2,5 | 22 | 19,294 |
M27*1,5 | 27 | 25,376 |
M27*2 | 27 | 24,835 |
M27*3 | 27 | 23,752 |
M30*1,5 | 30 | 28,376 |
M30*2 | 30 | 27,835 |
M30*3,5 | 30 | 26,211 |
M33*1,5 | 33 | 31,376 |
M33*2 | 33 | 30,835 |
M33*3,5 | 33 | 29,211 |
M36*2 | 36 | 33,835 |
M36*3 | 36 | 32,752 |
M36*4 | 36 | 31,670 |
M39*2 | 39 | 36,835 |
M39*3 | 39 | 35,752 |
M39*4 | 39 | 34,670 |
M45*2 | 45 | 42,835 |
M45*3 | 45 | 41,752 |
M45*4,5 | 45 | 40,129 |
M52*2 | 52 | 49,835 |
M52*3 | 52 | 48,752 |
M52*5 | 52 | 46,587 |
M64*2 | 64 | 61,835 |
常用美标螺纹技术参数简明表（UNF） | ||
标准螺纹 | 外螺纹大径 | 内螺纹小径 |
1/4"-28 | 6.35 | 5.367 |
5/6"-24 | 7.938 | 6.792 |
3/8"-24 | 9.525 | 8.379 |
7/16"-20 | 11.112 | 9.738 |
1/2”-20 | 12.7 | 11.326 |
9-16"-18 | 14.288 | 12.761 |
5/8"-18 | 15.875 | 14.348 |
3/4"-16 | 19.050 | 17.33 |
7/8"-14 | 22.225 | 20.262 |
1"-12 | 25.400 | 23.109 |
1-1/16"-12 | 26.980 | 24.69 |
1-1/8”-12 | 28.575 | 26.284 |
1-1/4"-12 | 31.750 | 29.459 |
1-5/16"-12 | 33.330 | 31.04 |
1-3/8"-12 | 34.925 | 32.634 |
1-1/2"-12 | 38.100 | 35.809 |
常用英制螺纹技术参数简明表（BSP） | ||
标准规格 | 外螺纹大径 | 内螺纹小径 |
1/8”-28 | 9,728 | 8,566 |
1/4"-19 | 13,157 | 11,445 |
3/8"-19 | 16,662 | 14,950 |
1/2"-14 | 20,955 | 18,631 |
3/4"-14 | 26,441 | 24,117 |
1"-11 | 33,249 | 30,291 |
1-1/4"-11 | 41,910 | 38,952 |
1-1/2"-11 | 47,803 | 44,845 |
常用美标锥螺纹参数简明表（NPT） | ||
标准规格 | 外螺纹大径 | 内螺纹小径 |
1/16"-27 | 7,895 | 6,389 |
1/8"-27 | 10,272 | 8,766 |
1/4"-18 | 13,572 | 11,314 |
3/8"-18 | 17,055 | 14,797 |
1/2"-14 | 21,223 | 18,321 |
3/4"-14 | 26,568 | 23,666 |
1"-11,5 | 33,228 | 29,694 |
1-1/4"-11,5 | 41,985 | 38,451 |
