常用螺纹尺寸参数简明速查表
公制螺纹参数简明表 |
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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) |
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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) |
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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) |
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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 |
END
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