|
|
|
|
|
|
|
|
Drill dia,(mm) |
Steel |
|
Cast Iron |
|
Aluminium & Copper |
3 |
|
1580 |
|
2580 |
|
2580 |
|
4 |
|
1350 |
|
2180 |
|
2580 |
|
5 |
|
1290 |
|
1580 |
|
2580 |
|
6 |
|
840 |
|
1350 |
|
2580 |
|
7 |
|
840 |
|
1290 |
|
2580 |
|
8 |
|
840 |
|
1290 |
|
2580 |
|
9 |
|
540 |
|
830 |
|
2180 |
|
10 |
|
500 |
|
830 |
|
1580 |
|
11 |
|
500 |
|
830 |
|
1580 |
|
12 |
|
420 |
|
830 |
|
1580 |
|
13 |
|
420 |
|
540 |
|
1350 |
|
14 |
|
420 |
|
540 |
|
1350 |
|
16 |
|
320 |
|
500 |
|
1290 |
|
18 |
|
320 |
|
420 |
|
1290 |
|
20 |
|
280 |
|
320 |
|
1290 |
|
22 |
|
210 |
|
320 |
|
830 |
|
25 |
|
210 |
|
280 |
|
830 |
|
|