"HSS conical drill bit.
Drill hole diameter: 4 - 31 mmShank diameter: 9 mmTenifer-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.
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