|
螺纹大径 |
统一标准螺纹ANSI
B1.1-182 |
惠氏螺纹BS84-1956 |
|
inch |
尺寸代号 |
粗牙UNC |
细牙UNF |
尺寸代号 |
粗牙BSW |
细牙BSF |
|
0.0600 |
0# |
|
80 |
|
|
|
|
0.0625 |
|
|
|
1/16 |
60 |
|
|
0.0730 |
1# |
64 |
72 |
|
|
|
|
0.0860 |
2# |
56 |
64 |
|
|
|
|
0.0938 |
|
|
|
3/32 |
48 |
|
|
0.0990 |
3# |
48 |
56 |
|
|
|
|
0.1120 |
4# |
40 |
48 |
|
|
|
|
0.1250 |
5# |
40 |
44 |
1/8 |
40 |
|
|
0.1380 |
6# |
32 |
40 |
|
|
|
|
0.1563 |
|
|
|
5/32 |
32 |
|
|
0.1640 |
8# |
32 |
36 |
|
|
|
|
0.1875 |
|
|
|
3/16 |
24 |
32 |
|
0.1900 |
10# |
24 |
32 |
|
|
|
|
0.2160 |
12# |
24 |
28 |
|
|
|
|
0.2189 |
|
|
|
7/32 |
24 |
28 |
|
0.2500 |
1/4 |
20 |
28 |
1/4 |
20 |
26 |
|
0.2812 |
|
|
|
9/32 |
|
26 |
|
0.3125 |
5/16 |
18 |
24 |
5/16 |
18 |
22 |
|
0.3750 |
3/8 |
16 |
24 |
3/8 |
16 |
20 |
|
0.4375 |
7/16 |
14 |
20 |
7/16 |
14 |
18 |
|
0.5000 |
1/2 |
13 |
20 |
1/2 |
12 |
16 |
|
0.5625 |
9/16 |
12 |
18 |
9/16 |
12 |
16 |
|
0.6250 |
5/8 |
11 |
18 |
5/8 |
11 |
14 |
|
0.6875 |
|
|
|
11/16 |
11 |
14 |
|
0.7500 |
3/4 |
10 |
16 |
3/4 |
10 |
12 |
|
0.8125 |
|
|
|
13/16 |
|
12 |
|
0.8750 |
7/8 |
9 |
14 |
7/8 |
9 |
11 |
|
1.0000 |
1 |
8 |
12 |
1 |
8 |
10 |
|
1.1250 |
1-1/8 |
7 |
12 |
1-1/8 |
7 |
9 |
|
1.2500 |
1-1/4 |
7 |
12 |
1-1/4 |
7 |
9 |
|
1.3750 |
1-3/8 |
6 |
12 |
1-3/8 |
|
8 |
|
1.5000 |
1-1/2 |
6 |
12 |
1-1/2 |
6 |
8 |
|
1.6250 |
1-5/8 |
|
|
1-5/8 |
|
8 |
|
1.7500 |
1-3/4 |
5 |
|
1-3/4 |
5 |
7 |
|
2.0000 |
2 |
4.5 |
|
2 |
4.5 |
7 |
|
2.2500 |
2-1/4 |
4.5 |
|
|
|
|
|
2.5000 |
2-1/2 |
4 |
|
|
|
|
|
2.7500 |
2-3/4 |
4 |
|
|
|
|
|
3.0000 |
3 |
4 |
|
|
|
|
|
3.2500 |
3-1/4 |
4 |
|
|
|
|
|
3.5000 |
3-1/2 |
4 |
|
|
|
|
|
3.7500 |
3-3/4 |
4 |
|
|
|
|
|
4.0000 |
4 |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
备注：各种英、美制螺纹代号说明 |
|
BA-British Association |
|
BSW-British
Standard Whitworth |
|
BSF-British
Standard Fine |
|
BSP-British
Standard Pipe |
|
BSPT-British
Standard Pipe Tapered |
|
BSC-British
Standard Cycle |
|
UNC-Unified
National Course |
|
UNF-Unified
National Fine |
|
UNEF-Unified
National Extra Fine |
|
UNM-Unified
National Miniature |
|
NPT-National
Pipe Tapered |
