 |
|
 |
|
 |
| |
整体硬质合金左钻
|
|
|
刃径（d） |
柄径（D） |
总长（L） |
刃长（l） |
2 |
2 |
38 |
12 |
2.5 |
2.5 |
43 |
14 |
3 |
3 |
46 |
16 |
3.5 |
3.5 |
52 |
20 |
4 |
4 |
55 |
22 |
4.5 |
4.5 |
58 |
24 |
5 |
5 |
62 |
26 |
5.5 |
5.5 |
66 |
28 |
6 |
6 |
66 |
28 |
6.5 |
6.5 |
70 |
31 |
7 |
7 |
74 |
34 |
7.5 |
7.5 |
74 |
34 |
8 |
8 |
79 |
37 |
8.5 |
8.5 |
79 |
37 |
9 |
9 |
84 |
40 |
9.5 |
9.5 |
84 |
40 |
10 |
10 |
89 |
43 |
10.5 |
10.5 |
89 |
43 |
11 |
11 |
95 |
47 |
11.5 |
11.5' |
95 |
47 |
12 |
12 |
102 |
51 |
|
|
|
|
|
