Tube and sheet drill bits' conical shape enables holes of various different diameters to be drilled with one drill. Laser scaling on the plane surface.
size no. | drilling-range | shank diameter | Total length |
1 | 3 - 14 | 6 | 62 |
2 | 6 - 20 | 8 | 70 |
3 | 16 - 30 | 10 | 75 |
4 | 26 - 40 | 12 | 78 |
5 | 36 - 50 | 12 | 78 |
6 | 46 - 60 | 12 | 78 |
7 | 6 - 30 | 10 | 95 |