HSS conical drill bit.
Drill hole diameter: 40 - 61 mm
Shank diameter: 12 mm
Tenifer-treated for surface hardening through reduced cold welding. Burr-free drilling and reaming of metal sheets, pipes, steel profiles, Cr-Ni steel, non-ferrous metal, acrylic glass and plastic up to a wall thickness of 5 mm.
The hole diameters are signed by laser in both grooves. The scale is legible when the tool is rotating. The three-sided tappet shank prevents ''slipping'' in the drill chuck.
