号码 内圈长 MM 内直径MM
4 44 14.0
5 45 14.3
6 46 14.6
7 47 15.0
8 48 15.3
9 49 15.6
10 50 15.9
11 51 16.2
12 52 16.6
13 53 16.9
14 54 17.2
15 55 17.5
16 56 17.8
17 57 18.2
18 58 18.5
19 59 18.8
20 60 19.1
21 61 19.4
22 62 19.7
23 63 20.1
24 64 20.4
25 65 20.7
26 66 21.0
27 67 21.3
28 68 21.7
29 69 22.0
30 70 22.3
31 71 22.6
32 72 22.9
33 73 23.2
34 74 23.6
35 75 23.9
