
中心钻
不带护锥中心钻 -A型 020 CENTRE DRILLS WITHOUT PROTECTIVE TAPER-TYPE A 020 |
带护锥中心钻 -B型 021 CENTRE DRILLS WITH PROTECTIVE TAPER-TYPE B 021 |
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A 020 |
B 021 |
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1.0 |
3.15 |
31.5 |
1.3 |
1.0 |
4 |
2.12 |
36.5 |
1.3 |
1.25 |
3.15 |
31.5 |
1.6 |
1.25 |
5 |
2.65 |
40 |
1.6 |
1.6 |
4 |
35.5 |
2.0 |
1.6 |
6.3 |
3.35 |
45 |
2.0 |
2.0 |
5 |
40 |
2.5 |
2.0 |
8 |
4.25 |
50 |
2.5 |
2.5 |
6.3 |
45 |
3.1 |
2.5 |
10 |
5.3 |
56 |
3.1 |
3.15 |
8 |
50 |
3.9 |
3.15 |
11.2 |
6.7 |
60 |
3.9 |
4.0 |
10 |
56 |
5.0 |
4.0 |
14 |
8.5 |
67 |
5.0 |
5.0 |
12.5 |
63 |
6.3 |
5.0 |
18 |
10.6 |
75 |
6.3 |
6.3 |
16 |
71 |
8.0 |
6.3 |
20 |
13.2 |
80 |
8.0 |
8.0 |
20 |
80 |
10.1 |
8.0 |
25 |
17 |
100 |
10.1 |
10.0 |
25 |
100 |
12.8 |
10.0 |
31.5 |
21.2 |
125 |
12.8 |
1.0 |
3.15 |
31.5 |
1.3 |
1.0 |
4 |
2.12 |
36.5 |
1.3 |