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标准国别 |
美制ANSI BI·1-1982 |
英国标准BS84-1956 |
|||
规格 |
直径(mm) |
UNC牙数/吋 |
UNF牙数/吋 |
BSW牙数/吋 |
BSF牙数/吋 |
0# |
1.52 |
/ |
80 |
/ |
/ |
1# |
1.85 |
64 |
72 |
/ |
/ |
2# |
2.18 |
56 |
64 |
/ |
/ |
3# |
2.51 |
48 |
56 |
/ |
/ |
4# |
2.84 |
40 |
48 |
/ |
/ |
5#,(1/8〞) |
3.18 |
40 |
44 |
40 |
/ |
6# |
3.51 |
32 |
40 |
/ |
/ |
8# |
4.17 |
32 |
36 |
/ |
/ |
10#(3/16〞) |
4.83 |
24 |
32 |
24 |
32 |
12#,((7/32〞) |
5.49 |
24 |
28 |
/ |
28 |
1/4〞 |
6.35 |
20 |
28 |
20 |
26 |
5/16〞 |
7.94 |
18 |
24 |
18 |
22 |
3/8〞 |
9.53 |
16 |
24 |
16 |
20 |
7/16〞 |
11.11 |
14 |
20 |
14 |
18 |
1/2〞 |
12.7 |
13 |
20 |
12 |
16 |
9/16〞 |
14.29 |
12 |
18 |
12 |
16 |
5/8〞 |
15.88 |
11 |
18 |
11 |
14 |
11/16 |
17.46 |
/ |
/ |
11 |
14 |
3/4 |
19.05 |
10 |
16 |
10 |
12 |
13/16 |
20.64 |
/ |
/ |
/ |
/ |
7/8〞 |
22.23 |
9 |
14 |
9 |
11 |
15/16〞 |
23.81 |
/ |
/ |
/ |
/ |
1〞 |
25.4 |
8 |
12 |
8 |
10 |
11/8〞 |
28.58 |
7 |
12 |
7 |
9 |
11/4〞 |
31.75 |
7 |
12 |
7 |
9 |
13/8〞 |
34.93 |
6 |
12 |
/ |
8 |
11/2〞 |
38.10 |
6 |
12 |
6 |
8 |
15/8〞 |
41.28 |
/ |
/ |
/ |
8 |
13/4〞 |
44.45 |
5 |
/ |
5 |
7 |