109,00 zł 88,62 zł netto

Cylindrical shank step drill bit set from the Premium Line Tools series. Made of high-speed steel coated with titanium nitride (TiN) coating, guaranteeing high machinability and performance. The drill bits are resistant to high temperatures. Suitable for drilling in stainless steel, acid-resistant and tool steel. Especially useful for drilling thin components such as steel plates, non-ferrous metals, plastics and pipes. Also used for drilling, reaming existing holes, chamfering and deburring hole edges.
The set includes 3 step drill bits (4-12/4-20/4-32)
The German quality standard is the level that all our tools hold.
| Step drill bit | ||||
| Size | Drilling Range(mm) |
Overall Length(mm) | Number of Steps | Shank Diameter(mm) |
| 4-12 | 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 | 65 | 9 | 10 |
| 4-20 | 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 | 75 | 9 | 10 |
| 4-32 | 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 /20 / 22 / 24 / 26 / 28 / 30 / 32 |
100 | 15 | 10 |