|
螺纹代号 |
每25.4mm上牙数 |
公称直径 d |
螺距 p |
d1 |
l |
L |
方头 |
|
|
a |
l2 |
|||||||
|
7/16-14UNC |
14 |
11.112 |
1.814 |
8.20 |
30.51 |
76.99 |
6.15 |
10.32 |
|
1/2-13UNC |
13 |
12.700 |
1.954 |
9.32 |
42.07 |
79.38 |
6.99 |
11.11 |
|
9/16-12UNC |
12 |
14.288 |
2.117 |
10.90 |
42.07 |
91.28 |
8.18 |
12.70 |
|
5/8-11UNC |
11 |
15.875 |
2.309 |
12.19 |
46.04 |
96.84 |
9.14 |
14.29 |
|
3/4-10UNC |
10 |
19.050 |
2.540 |
14.99 |
50.80 |
107.95 |
11.23 |
17.46 |
|
7/8-9UNC |
9 |
22.225 |
2.822 |
17.70 |
56.36 |
119.06 |
13.28 |
19.05 |
|
1-8UNC |
8 |
25.400 |
3.175 |
20.32 |
63.50 |
130.18 |
15.24 |
20.64 |
|
1 1/8-7UNC |
7 |
28.575 |
3.629 |
22.76 |
65.09 |
138.11 |
17.07 |
22.23 |
|
1 1/4-7UNC |
7 |
31.750 |
3.629 |
25.93 |
65.09 |
146.05 |
19.46 |
25.40 |
|
1 3/8-6UNC |
6 |
34.925 |
4.233 |
28.14 |
76.20 |
153.99 |
21.11 |
26.99 |
|
1 1/2-6UNC |
6 |
38.100 |
4.233 |
31.31 |
76.20 |
161.93 |
23.50 |
28.58 |
|
1 3/4-5UNC |
5 |
44.450 |
5.080 |
36.32 |
77.79 |
177.80 |
27.23 |
31.75 |
|
2-4.5UNC |
4.5 |
50.800 |
5.644 |
41.76 |
80.96 |
180.98 |
31.32 |
34.93 |
|
螺纹代号 |
每25.4mm上牙数 |
公称直径 d |
螺距 p |
d1 |
l |
L |
方头 |
|
|
a |
l2 |
|||||||
|
7/16-20UNC |
20 |
11.112 |
1.270 |
8.20 |
30.51 |
76.99 |
6.15 |
10.32 |
|
1/2-20UNC |
20 |
12.700 |
1.270 |
9.32 |
42.07 |
79.38 |
6.99 |
11.11 |
|
9/16-18UNC |
18 |
14.288 |
1.411 |
10.90 |
42.07 |
91.28 |
8.18 |
12.70 |
|
5/8-18UNC |
18 |
15.875 |
1.411 |
12.19 |
46.04 |
96.84 |
9.14 |
14.29 |
|
3/4-16UNC |
16 |
19.050 |
1.588 |
14.99 |
50.80 |
107.95 |
11.23 |
17.46 |
|
7/8-14UNC |
14 |
22.225 |
1.814 |
17.70 |
56.36 |
119.06 |
13.28 |
19.05 |
|
1-12UNC |
12 |
25.400 |
2.117 |
20.32 |
63.50 |
130.18 |
15.24 |
20.64 |
|
11/8-12UNC |
12 |
28.575 |
2.117 |
22.76 |
65.09 |
138.11 |
17.07 |
22.23 |
|
11/4-12UNC |
12 |
31.750 |
2.117 |
25.93 |
65.09 |
146.05 |
19.46 |
25.40 |
|
13/8-12UNC |
12 |
34.925 |
2.117 |
28.14 |
76.20 |
153.99 |
21.11 |
26.99 |
|
11/2-12UNC |
12 |
38.100 |
2.117 |
31.31 |
76.20 |
161.93 |
23.50 |
28.58 |
