公制螺纹
|
|
基本直径 |
内螺纹公差等级 |
外螺纹公差 |
||||||
|
大径 |
中径 |
小径 |
6H |
7H |
6g |
||||
|
中径公差 |
小径公差 |
中径公0,差 |
小径公差 |
中径公差 |
小径公差 |
||||
|
M10*1 |
10 |
9.35 |
8.917 |
0,+0.150 |
0,+0.236 |
0,+0.190 |
0,+0.300 |
-0.026,-0.138 |
-0.026,0.206 |
|
M12*1 |
12 |
11.35 |
10.917 |
0,+0.160 |
0,+0.236 |
0,+0.200 |
0,+0.300 |
-0.026,-0.144 |
-0.026,0.206 |
|
M14*1 |
14 |
13.35 |
122.917 |
0,+0.160 |
0,+0.236 |
0,+0.200 |
0,+0.300 |
-0.026,-0.144 |
-0.026,0.206 |
|
M12*1.25 |
12 |
11.188 |
10.647 |
0,+0.180 |
0,+0.265 |
0,+0.224 |
0,+0.335 |
-0.028,-0.160 |
-0.028,-0.240 |
|
M14*1.25 |
14 |
13.188 |
12.647 |
0,+0.180 |
0,+0.265 |
0,+0.224 |
0,+0.335 |
-0.028,-0.160 |
-0.028,-0.240 |
|
M12*1.5 |
12 |
11.026 |
10.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M14*1.5 |
14 |
13.026 |
12.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M16*1.5 |
16 |
15.026 |
14.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M18*1.5 |
18 |
17.026 |
16.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M20*1.5 |
20 |
19.026 |
18.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M22*1.5 |
22 |
21.026 |
20.376 |
0,+0.190 |
0,+0.300 |
0,+0.236 |
0,+0.375 |
-0.032,-0.172 |
-0.032,-0.268 |
|
M24*1.5 |
14 |
23.026 |
22.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M26*1.5 |
26 |
25.026 |
24.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M27*1.5 |
27 |
26.026 |
25.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M30*1.5 |
30 |
29.026 |
28.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M33*1.5 |
33 |
32.026 |
31.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M36*1.5 |
36 |
35.026 |
34.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M39*1.5 |
39 |
38.026 |
37.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M42*1.5 |
42 |
41.026 |
40.376 |
0,+0.200 |
0,+0.300 |
0,+0.250 |
0,+0.375 |
-0.032,-0.182 |
-0.032,-0.268 |
|
M27*2 |
27 |
25.701 |
24.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M30*2 |
30 |
28.701 |
27.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M33*2 |
33 |
31.701 |
30.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M36*2 |
36 |
34.701 |
33.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M39*2 |
39 |
37.701 |
36.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M42*2 |
42 |
40.701 |
39.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M45*2 |
45 |
43.701 |
42.835 |
0,+0.224 |
0,+0.375 |
0,+0.280 |
0,+0.475 |
-0.038,-0.208 |
-0.038,-0.318 |
|
M52*2 |
52 |
50.701 |
49.835 |
0,+0.236 |
0,+0.375 |
0,+0.300 |
0,+0.475 |
-0.038,-0.218 |
-0.038,-0.318 |
|
M60*2 |
60 |
58.701 |
57.835 |
0,+0.236 |
0,+0.375 |
0,+0.300 |
0,+0.475 |
-0.038,-0.218 |
-0.038,-0.318 |
|
M64*2 |
64 |
62.701 |
61.835 |
0,+0.236 |
0,+0.375 |
0,+0.300 |
0,+0.475 |
-0.038,-0.218 |
-0.038,-0.318 |
|
M72*2 |
72 |
70.701 |
69.835 |
0,+0.236 |
0,+0.375 |
0,+0.300 |
0,+0.475 |
-0.038,-0.218 |
-0.038,-0.318 |
美制NPSM螺纹（美国标准ANSI B1.20.1机械连接用直管螺纹60度）
|
标号 |
螺纹代号 |
外螺纹（2A级） |
内螺纹（2B级） |
||||||
|
大径 |
中径 |
小径 |
中径 |
||||||
|
最大值 |
最小值 |
最大值 |
最小值 |
最小值 |
最大值 |
最小值 |
最大值 |
||
|
02 |
1/8-27NPSM |
10.084 |
9.906 |
9.462 |
9.370 |
9.093 |
9.246 |
9.489 |
9.609 |
|
04 |
1/4-18NPSM |
13.360 |
13.132 |
12.454 |
12.342 |
11.887 |
12.217 |
12.487 |
12.634 |
|
06 |
3/8-18NPSM |
16.815 |
16.586 |
15.890 |
15.776 |
15.316 |
15.545 |
15.926 |
16.076 |
|
08 |
1/2-14NPSM |
20.904 |
20.650 |
19.733 |
19.604 |
18.974 |
19.279 |
19.771 |
19.942 |
|
12 |
3/4-14NPSM |
26.264 |
26.010 |
25.077 |
24.943 |
24.333 |
24.638 |
25.118 |
25.293 |
|
16 |
1-11.5NPSM |
32.842 |
32.537 |
31.417 |
31.270 |
30.505 |
30.759 |
31.460 |
31.653 |
|
20 |
1.1/4-11.5NPSM |
41.605 |
41.300 |
40.173 |
40.020 |
39.268 |
39.497 |
40.218 |
40.416 |
|
24 |
1.1/2-11.5NPSM |
47.676 |
47.371 |
46.241 |
46.086 |
45.339 |
45.568 |
46.286 |
46.487 |
|
32 |
2-11.5NPSM |
59.715 |
59.411 |
58.278 |
58.120 |
57.379 |
57.607 |
58.326 |
58.532 |
|
40 |
2.1/2-8NPSM |
72.161 |
71.780 |
70.104 |
69.916 |
68.783 |
69.266 |
70.160 |
70.409 |
|
48 |
3-8NPSM |
88.062 |
87.681 |
86.009 |
85.816 |
84.684 |
85.166 |
86.068 |
86.319 |
NPT布锥管螺纹
|
标号 |
螺纹代号 |
基面上的直径 |
螺纹长度 |
端面大径 |
|||
|
大径 |
中径 |
小径 |
管端至基面长 |
有效长度 |
|||
|
02 |
Z1/8*27 |
10.242 |
9.489 |
8.736 |
4.102 |
6.703 |
9.986 |
|
04 |
Z1/4*18 |
13.616 |
12.487 |
11.385 |
5.786 |
10.206 |
13.254 |
|
06 |
Z3/8*18 |
17.055 |
15.926 |
14.797 |
6.096 |
10.358 |
16.674 |
|
08 |
Z1/2*14 |
21.223 |
19.772 |
18.321 |
8.128 |
13.556 |
20.715 |
|
12 |
Z3/4*14 |
26.568 |
25.117 |
23.666 |
8.611 |
13.861 |
26.030 |
|
16 |
Z1*11.5 |
33.228 |
31.461 |
29.694 |
10.160 |
17.343 |
32.593 |
|
20 |
Z1.1/4*1.5 |
41.985 |
40.218 |
38.451 |
10.668 |
17.953 |
41.318 |
|
24 |
Z1.1/2*11.5 |
48.054 |
46.287 |
44.520 |
10.668 |
18.377 |
47.387 |
|
32 |
Z2*11.5 |
60.092 |
58.325 |
56.558 |
11.074 |
19.215 |
59.400 |
|
40 |
Z2.1/2*8 |
72.699 |
70.159 |
67.619 |
17.323 |
28.892 |
71.616 |
|
48 |
Z3*8 |
88.608 |
86.068 |
83.528 |
19.456 |
30.480 |
87.392 |
55度英锥管螺纹
|
标号 |
螺纹代号 |
基本直径 |
内螺纹 |
外螺纹 |
||||||
|
大径 |
中径 |
小径 |
中径公差 |
小径公差 |
公差等级 |
|||||
|
A |
B |
|||||||||
|
中径公差 |
大径公差 |
中径公差 |
大径公差 |
|||||||
|
02 |
G1/8*28 |
9.728 |
9.147 |
8.566 |
0.170，0 |
0.282，0 |
0，-0.170 |
0，-0.214 |
0，-0.214 |
0，-0.214 |
|
04 |
G1/4*19 |
13.157 |
12.301 |
11.445 |
0.125，0 |
0.445，0 |
0.-0.125 |
0，-0.250 |
0，-0.250 |
0，-0.250 |
|
06 |
G3/8*19 |
16.662 |
15.806 |
14.950 |
0.125，0 |
0.445，0 |
0，-0.125 |
0，-0.250 |
0，-0.250 |
0，-0.250 |
|
08 |
G1/2*14 |
20.955 |
19.793 |
18.631 |
0.142，0 |
0.541，0 |
0，-0.142 |
0，-0.284 |
0，-0.284 |
0，-0.284 |
|
10 |
G5/8*14 |
22.911 |
21.749 |
20.587 |
0.142，0 |
0.541，0 |
0，-0.142 |
0，-0.284 |
0，-0.284 |
0，-0.284 |
|
12 |
G3/4*14 |
26.441 |
25.279 |
24.117 |
0.142，0 |
0.541，0 |
0，-0.142 |
0，-0.284 |
0，-0.284 |
0，-0.284 |
|
16 |
G1*11 |
33.249 |
31.770 |
30.291 |
0.180，0 |
0.640，0 |
0，-0.180 |
0，-0.360 |
0，-0.360 |
0，-0.360 |
|
20 |
G1.1/4*11 |
41.910 |
40.431 |
38.952 |
0.180，0 |
0.640，0 |
0，-0.180 |
0，-0.360 |
0，-0.360 |
0，-0.360 |
|
24 |
G1.1/2*11 |
47.803 |
46.324 |
44.845 |
0.180，0 |
0.640，0 |
0，-0.180 |
0，-0.360 |
0，-0.360 |
0，-0.360 |
|
32 |
G2*11 |
59.614 |
58.135 |
56.656 |
0.180，0 |
0.640，0 |
0，-0.180 |
0，-0.360 |
0，-0.360 |
0，-0.360 |
|
40 |
G2.1/2*11 |
75.184 |
73.705 |
72.226 |
0.217，0 |
0.640，0 |
0，-0.217 |
0，-0.434 |
0，-0.434 |
0，-0.434 |
|
48 |
G3*11 |
87.884 |
86.405 |
84.926 |
0.217，0 |
0.640，0 |
0，-0.217 |
0，-0.434 |
0，-0.434 |
0，-0.434 |
55度英锥管螺纹
|
标号 |
螺纹代号 |
基面上的直径 |
基准长度 |
有效螺纹长度 |
圆锥内螺纹基面轴向位移的极限偏差 |
端面大径 |
||||||
|
大径 |
中径 |
小径 |
基本 |
最大 |
最小 |
基本 |
最大 |
最小 |
||||
|
02 |
R1/8*28 |
9.728 |
9.147 |
8.566 |
4 |
4.9 |
3.1 |
6.5 |
7.4 |
5.6 |
1.1 |
9.478 |
|
04 |
R1/4*19 |
13.157 |
12.301 |
11.445 |
6 |
7.3 |
4.7 |
9.7 |
11 |
8.4 |
1.7 |
12.782 |
|
06 |
R3/8*19 |
16.662 |
15.806 |
14.950 |
6.4 |
7.7 |
5.1 |
10.1 |
11.4 |
8.8 |
1.7 |
16.262 |
|
08 |
R1/2*14 |
20.955 |
19.793 |
18.631 |
8.2 |
10 |
6.4 |
13.2 |
15 |
11.4 |
2.3 |
20.443 |
|
12 |
R3/4*14 |
26.441 |
25.279 |
24.117 |
9.5 |
11.3 |
7.7 |
14.5 |
16.3 |
12.7 |
2.3 |
25.847 |
|
16 |
R1*11 |
33.249 |
31.770 |
30.291 |
10.4 |
12.7 |
8.1 |
16.8 |
19.1 |
14.5 |
2.9 |
32.599 |
|
20 |
R1.1/4*11 |
41.910 |
40.431 |
38.952 |
12.7 |
15 |
10.4 |
19.1 |
21.4 |
16.8 |
2.9 |
41.116 |
|
24 |
R1.1/2*11 |
47.803 |
46.324 |
44.845 |
12.7 |
15 |
10.4 |
19.1 |
21.4 |
16.8 |
2.9 |
47.009 |
|
32 |
R2*11 |
59.614 |
58.135 |
56.656 |
15.9 |
18.2 |
13.6 |
23.4 |
25.7 |
21.1 |
2.9 |
58.620 |
|
40 |
R2.1/2*11 |
75.184 |
73.705 |
72.226 |
17.5 |
21 |
14 |
26.7 |
30.2 |
23.2 |
3.5 |
74.090 |
|
48 |
R3*11 |
87.884 |
86.405 |
84.926 |
20.6 |
24.1 |
17.1 |
29.8 |
33.3 |
26.3 |
3.5 |
86.597 |
美制螺纹
|
标号 |
螺纹代号 |
外螺纹 |
内螺纹 |
||||||||
|
公差等级2A |
公差等级2B |
||||||||||
|
大径 |
中径 |
小径 最大 |
小径 |
中径 |
大径 最小 |
||||||
|
最大 |
最小 |
最大 |
最小 |
最小 |
最大 |
最小 |
最大 |
||||
|
JIC螺纹 |
|||||||||||
|
02 |
5/16×24UNF |
7.910 |
7.727 |
7.221 |
7.127 |
6.650 |
6.782 |
7.036 |
7.249 |
7.371 |
7.938 |
|
03 |
3/8*24UNF |
9.497 |
9.314 |
8.809 |
8.712 |
8.237 |
8.382 |
8.636 |
8.837 |
8.961 |
9.525 |
|
04 |
7/16*20UNF |
11.079 |
10.874 |
10.254 |
10.147 |
9.568 |
9.728 |
10.033 |
10.287 |
10.424 |
11.113 |
|
05 |
1/2*20UNF |
12.667 |
12.461 |
11.841 |
11.732 |
11.156 |
11.328 |
11.608 |
11.875 |
12.017 |
12.7 |
|
06 |
9/16*18UNF |
14.252 |
14.031 |
13.335 |
13.221 |
12.573 |
12.751 |
13.081 |
13.371 |
13.52 |
14.288 |
|
08 |
3/4*16UNF |
19.012 |
18.773 |
17.981 |
17.854 |
17.12 |
17.323 |
17.678 |
18.019 |
18.184 |
19.05 |
|
10 |
7/8*14UNF |
22.184 |
21.923 |
21.006 |
20.869 |
20.025 |
20.269 |
20.676 |
21.046 |
21.224 |
22.225 |
|
12 |
1.1/16*12UNF |
26.944 |
26.655 |
25.57 |
25.425 |
24.425 |
24.689 |
25.146 |
25.613 |
25.801 |
26.988 |
|
16 |
1.5/16*12UNF |
33.294 |
33.005 |
31.92 |
31.773 |
30.775 |
31.039 |
31.496 |
31.963 |
32.154 |
33.338 |
|
20 |
1.5/8*12UNF |
41.229 |
40.94 |
39.855 |
39.705 |
38.71 |
38.989 |
39.446 |
39.901 |
40.094 |
41.275 |
|
24 |
1.7/8*12UNF |
47.579 |
47.29 |
46.205 |
46.053 |
45.06 |
45.339 |
45.796 |
46.251 |
46.449 |
47.625 |
|
32 |
2.1/2*12UNF |
63.452 |
63.162 |
62.078 |
61.92 |
60.932 |
61.214 |
61.671 |
62.126 |
62.332 |
63.5 |
|
40 |
3812UNF |
76.157 |
75.862 |
74.778 |
74.618 |
73.632 |
73.914 |
74.371 |
74.826 |
75.034 |
76.2 |
|
18HK |
1.1/2*10UNF |
38.052 |
37.724 |
36.401 |
36.238 |
35.029 |
35.357 |
35.890 |
36.449 |
36.660 |
38.100 |
|
ORFS螺纹 |
|||||||||||
|
04 |
9/16*18UNF |
14.252 |
14.031 |
13.335 |
13.221 |
12.573 |
12.751 |
13.081 |
13.371 |
13.52 |
14.288 |
|
06 |
11/16*16UNF |
17.427 |
17.188 |
16.396 |
16.274 |
15.535 |
15.748 |
16.104 |
16.431 |
16.589 |
17.463 |
|
08 |
13/16*16UNF |
20.599 |
20.361 |
19.568 |
19.444 |
18.707 |
18.923 |
19.279 |
19.606 |
19.766 |
20.638 |
|
10 |
1*14UNSF |
25.357 |
25.095 |
24.178 |
24.036 |
23.195 |
23.444 |
23.825 |
24.221 |
24.407 |
25.4 |
|
12 |
1.3/16*12UN |
30.119 |
29.83 |
28.754 |
28.598 |
27.6 |
27.864 |
28.321 |
28.788 |
28.979 |
30.163 |
|
16 |
1.7/16*12UN |
36.467 |
36.177 |
35.093 |
34.943 |
33.947 |
34.214 |
34.671 |
35.138 |
35.331 |
36.513 |
|
20 |
1.11/16*12UN |
42.817 |
42.527 |
41.443 |
41.29 |
40.297 |
40.564 |
41.021 |
41.488 |
41.686 |
42.863 |
|
24 |
2*12UN |
50.754 |
50.465 |
49.38 |
49.25 |
48.235 |
48.514 |
48.971 |
49.426 |
49.627 |
50.8 |
|
SAE螺纹 |
|||||||||||
|
06 |
5/8×18UNF |
15.839 |
15.618 |
14.923 |
14.803 |
14.161 |
14.351 |
14.681 |
14.958 |
15.11 |
15.875 |
|
12 |
1.1/16*14UNF |
26.947 |
26.683 |
25.743 |
25.608 |
24.74 |
24.968 |
25.375 |
25.783 |
25.961 |
26.987 |
|
其他美制螺纹 |
|||||||||||
|
|
9/16*16UN |
14.252 |
14.013 |
13.221 |
13.101 |
12.36 |
12.573 |
12.929 |
13.256 |
13.411 |
14.288 |
|
|
7/8*12UN |
22.182 |
21.892 |
20.808 |
20.668 |
19.662 |
19.939 |
20.396 |
20.851 |
21.034 |
22.225 |
|
|
2.1/4*12UN |
57.104 |
56.815 |
55.73 |
55.575 |
54.585 |
54.864 |
55.321 |
55.776 |
55.976 |
57.15 |
可拆式芯子与套筒连接螺纹
|
软管编号 |
螺纹代号 |
外螺纹 |
内螺纹 |
||||||||
|
|
公差等级2B |
||||||||||
|
大径 |
中径 |
小径 |
小径 |
中径 |
大径 |
||||||
|
最大 |
最小 |
最大 |
最小 |
最小 |
最大 |
最小 |
最大 |
||||
|
R5-04 |
9/32*32 |
7.120 |
6.967 |
6.604 |
6.523 |
6.175 |
6.294 |
6.472 |
6.629 |
6.736 |
7.145 |
|
R5-05 |
46/127*28 |
9.197 |
9.032 |
8.608 |
8.516 |
8.115 |
8.234 |
8.463 |
8.636 |
8.753 |
9.225 |
|
R5-06 |
107/254*28 |
10.685 |
10.520 |
10.095 |
10.004 |
9.603 |
9.735 |
9.938 |
10.123 |
10.240 |
10.713 |
|
R5-08 |
9/16*24 |
14.257 |
14.074 |
13.569 |
13.470 |
12.997 |
13.132 |
13.386 |
13.599 |
13.729 |
14.288 |
|
R5-10 |
11/16*24 |
17.432 |
17.249 |
16.744 |
16.642 |
16.172 |
16.307 |
16.561 |
16.774 |
16.906 |
17.463 |
|
R5-12 |
13/16*20 |
20.599 |
20.399 |
19.779 |
19.667 |
19.347 |
19.253 |
19.558 |
19.812 |
19.982 |
20.638 |
|
R5-16 |
1.1/16*18 |
26.952 |
26.731 |
26.035 |
25.916 |
25.273 |
25.451 |
25.781 |
26.071 |
26.228 |
26.988 |
|
R5-20 |
1.5/16*18 |
33.299 |
33.078 |
32.382 |
32.258 |
31.620 |
31.801 |
32.131 |
32.421 |
32.581 |
33.338 |
|
R5-24 |
1.9/16*18 |
39.649 |
39.428 |
38.732 |
38.605 |
37.970 |
38.151 |
38.481 |
38.771 |
38.936 |
39.688 |
|
R5-32 |
2*18 |
50.762 |
50.541 |
49.845 |
49.715 |
49.083 |
49.276 |
49.606 |
49.883 |
50.053 |
50.800 |
|
2A-04 |
7/16*20 |
11.079 |
10.874 |
10.254 |
10.147 |
9.568 |
9.728 |
10.033 |
10.287 |
10.424 |
11.113 |
|
2A-06 |
9/16*18 |
14.252 |
14.031 |
13.335 |
13.221 |
12.573 |
12.751 |
13.081 |
13.371 |
13.520 |
14.288 |
|
2A-08 |
5/8*18 |
15.839 |
15.618 |
14.923 |
14.803 |
14.161 |
14.351 |
14.681 |
14.958 |
15.110 |
15.875 |
|
2A-10 |
3/4*18 |
19.014 |
18.793 |
18.098 |
17.981 |
17.336 |
17.526 |
17.856 |
18.133 |
18.285 |
19.050 |
|
2A-12 |
7/8*18 |
22.189 |
21.968 |
21.273 |
21.156 |
20.511 |
20.701 |
21.031 |
21.308 |
21.460 |
22.225 |
|
2A-16 |
1.3/16*16 |
30.124 |
29.870 |
29.093 |
28.964 |
28.232 |
28.448 |
28.804 |
29.131 |
29.299 |
30.163 |
|
2A-20 |
1.9/16*18 |
39.649 |
39.428 |
38.732 |
38.605 |
37.970 |
38.151 |
38.481 |
38.771 |
38.936 |
39.688 |
新西兰B09内螺纹
|
标号 |
你螺纹代号 |
大径MIN |
中径MIN |
中径MAX |
小径MIN |
小径MAX |
|
B-09 |
0.860in*14 |
21.844 |
20.683 |
20.841 |
19.522 |
|
NPTF+密封管螺纹
|
标号 |
螺纹代号 |
外螺纹小端中径 |
外螺纹大端中径 |
外螺纹小端大径最小 |
外螺纹小端大径最大 |
外螺纹全牙长度 |
内螺纹大端中径 |
内螺纹小端中径 |
内螺纹大端小径最小 |
内螺纹大端小径最大 |
内螺纹全牙长度 |
|
2 |
1/8-27NPTF |
9.233 |
9.652 |
9.871 |
9.960 |
6.703 |
9.489 |
9.058 |
8.763 |
8.851 |
6.924 |
|
4 |
1/4-18NPTF |
12.126 |
12.764 |
13.128 |
13.215 |
10.206 |
12.487 |
11.862 |
11.398 |
11.486 |
10.020 |
|
6 |
3/8-18NPTF |
15.545 |
16.193 |
16.547 |
16.634 |
10.358 |
15.926 |
15.281 |
14.837 |
14.924 |
10.330 |
|
8 |
1/2-14NPTF |
19.264 |
20.111 |
20.616 |
20.703 |
13.556 |
19.772 |
18.926 |
18.333 |
18.420 |
13.571 |
|
12 |
3/4-14NPTF |
24.579 |
25.445 |
25.931 |
26.018 |
13.861 |
25.117 |
24.239 |
23.678 |
23.768 |
14.054 |
|
16 |
1-11.5NPTF |
30.826 |
31.910 |
32.474 |
32.562 |
17.343 |
31.461 |
30.411 |
29.725 |
29.813 |
16.787 |
|
20 |
1.1/4-11.5NPTF |
39.551 |
40.673 |
41.199 |
41.287 |
17.953 |
40.218 |
39.136 |
38.482 |
38.570 |
17.295 |
|
24 |
1.1/2-11.5NPTF |
45.621 |
46.769 |
47.269 |
47.357 |
18.377 |
46.287 |
45.207 |
44.551 |
44.640 |
17.295 |
|
32 |
2-11.5NPTF |
57.633 |
58.834 |
59.281 |
59.369 |
19.215 |
58.325 |
57.219 |
56.589 |
56.677 |
17.701 |
|
40 |
2.1/2-8NPTF |
69.076 |
70.882 |
71.476 |
71.559 |
28.893 |
70.159 |
68.481 |
67.676 |
67.759 |
26.848 |
|
48 |
3-8NPTF |
84.852 |
86.757 |
87.252 |
87.335 |
30.480 |
86.068 |
84.257 |
83.585 |
83.668 |
28.981 |
备注：1.表中外螺纹的完整螺纹长度包括不超过一个螺距长度的倒角
2.表中内螺纹的完整螺纹长度不包括在中径线和倒角交线外的锥口孔。即完整螺纹长度的等于完整内螺纹加一个螺距。