美制螺纹圆板牙
螺纹代号 |
每 25.4mm 内的牙数 |
螺距 P |
外径 D |
厚度 E |
1/4-20UNC |
20 |
1.270 |
25 |
9 |
1/4-28UNF |
28 |
0.907 |
||
5/16-18UNC |
18 |
1.411 |
||
5/16-24UNF |
24 |
1.058 |
||
38-16UNC |
16 |
1.588 |
30 |
11 |
3/8-24UNF |
24 |
1.058 |
||
7/16-14UNC |
14 |
1.814 |
||
7/16-20UNF |
20 |
1.270 |
||
1/2-13UNC |
13 |
1.854 |
38 |
14 |
1/2-20UNF |
20 |
1.270 |
10 |
|
9/16-12UNC |
12 |
2.117 |
14 |
|
9/16-18UNF |
18 |
1.411 |
10 |
|
5/8-11UNC |
11 |
2.309 |
45 |
18 |
5/8-18UNF |
18 |
1.411 |
14 |
|
3/4-10UNC |
10 |
2.540 |
18 |
|
3/4-16UNF |
16 |
1.588 |
14 |
|
7/8-9UNC |
9 |
2.822 |
55 |
22 |
7/8-14UNF |
14 |
1.814 |
16 |
|
1-8UNC |
8 |
3.175 |
22 |
|
1-12UNF |
12 |
2.117 |
16 |
|
1 1/8-7UNC |
7 |
3.628 |
65 |
25 |
1 1/8-12UNF |
12 |
2.117 |
18 |
|
1 1/4-7UNC |
7 |
3.628 |
25 |
|
1 1/4-12UNF |
12 |
2.117 |
18 |
|
1 3/8-6UNC |
6 |
4.233 |
25 |
|
1 3/8-12UNF |
12 |
2.117 |
18 |
|
1 1/2-6UNC |
6 |
4.233 |
75 |
30 |
1 1/2-12UNF |
12 |
2.117 |
20 |