With sharp drill point, pre-drilling not necessary. Conically increasing cutting edges and radially relief ground circumference for a paring cut. With scale in the flutes. Three drive flats on the shank.

Application:
Leaves no burr or chatter marks.Sheet metal 0.1 2 mm, stainless steel 0.1 1 mm, non-ferrous metals: 0.1 5 mm, plastics up to 10 mm.

Please note: Using cutting compound is highly recommended!