Φ1mini-maxi(mm) |
Φ2mini-maxi(mm) |
钻头 285.F |
L(mm) |
mm |
重量(g) |
285.4 |
3-6 |
2.2-3.4 |
285.F1 |
55 |
3 |
5 |
285.5 |
6-8 |
3.7-4.3 |
285.F2 |
60 |
4 |
8 |
285.6 |
8-11 |
4.5-5.3 |
285.F3 |
65 |
4.5 |
12 |
285.8 |
11-14 |
6.2-7.1 |
285.F4 |
75 |
6 |
25 |
285.11 |
14-18 |
8.6-9.8 |
285.F5 |
85 |
8.5 |
52 |
285.14 |
18-24 |
11-12.5 |
|
90 |
10 |
86 |
285.18 |
24-33 |
14.5-16 |
|
105 |
14 |
166 |
285.25 |
33-50 |
20-22.5 |
|
120 |
18 |
348 |
用钻头285.F钻孔以后,用螺栓提取器来拆除断裂的螺栓。