Bosch Step Drill Bit HSS-TIN 4 6 – 30mm

Suitable for non-ferrous metals, sheet steel, plastic. Drilling without pilot drilling in the thinnest sheet metals, burr-free, without friction deposit, chamfered, fixed drilling steps. Step height: 4mm. Step diameter (all) mm: 4,6,8,10,12,14,16,18, 20,22,24,26,28,30. Suitable for: alloys, sheet steel, stainless steel/inox and steel/ferrous.
Diameters: 6- 30mm
Total Length: 100mm
Material: HSS-TiN