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Specification
吋 (") |
吋 (") |
分 |
mm |
直徑俗稱 |
喉碼俗稱 |
1/8 |
1/8 |
1 |
3.1 |
1分 |
|
1/4 |
2/8 |
2 |
6.3 |
2分 |
|
5/16 |
5/16 |
2.5 |
7.8 |
2.5分 |
8-14 |
3/8 |
3/8 |
3 |
9.4 |
3分 |
11-17 |
1/2 |
4/8 |
4 |
12.5 |
4分 |
13-20 |
5/8 |
5/8 |
5 |
15.6 |
5分 |
15-24 |
3/4 |
6/8 |
6 |
18.8 |
6分 |
19-28 |
1 |
|
8 |
25.0 |
1吋 |
22-32 |
1 1/4 |
|
10 |
31.3 |
吋2 |
26-38 |
1 1/4 |
|
10 |
31.3 |
吋2 |
32-44 |
1 1/2 |
|
12 |
37.5 |
吋半 |
38-50 |
1 3/4 |
|
14 |
43.8 |
|
44-56 |
2 |
|
16 |
50.0 |
2吋 |
50-65 |
2 1/2 |
|
20 |
62.5 |
2.5吋 |
58-75 |
3 |
|
24 |
75.0 |
3吋 |
68-85 |
3 1/2 |
|
28 |
87.5 |
3.5吋 |
77-95 |
4 |
|
32 |
100.0 |
4吋 |
87-112 |
5 |
|
40 |
125.0 |
5吋 |
104-138 |
6 |
|
48 |
150.0 |
6吋 |
130-165 |
7 |
|
56 |
175.0 |
7吋 |
150-180 |
8 |
|
64 |
200.0 |
8吋 |
175-205 |
9 |
|
72 |
225.0 |
9吋 |
200-231 |
10 |
|
80 |
250.0 |
10吋 |
226-256 |
11 |
|
88 |
275.0 |
11吋 |
251-282 |
12 |
|
96 |
300.0 |
12吋 |
277-307 |
14 |
|
112 |
350.0 |
14吋 |
355 |
16 |
|
128 |
400.0 |
16吋 |
406 |
18 |
|
144 |
450.0 |
18吋 |
456 |
20 |
|
160 |
500.0 |
20吋 |
500 |
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