Features

• Not suitable for aluminium. Use without cooling agents. Set, stock no. < 499-302') 499-302/ contains 1 x 4 → 20 mm hole cutter and 1 x 5 → 31 mm. Sheet metal hole cutter, spiral tap, TiAlN. HSS hole cutter with spiral tap TiAlN coating, for particularly tough materials For burr-free drilling and planing pipes, sheet metals and profiles, as well as moulding, retro drilling and expanding cut-outs Suitable for construction steel, CrNi steel, non-ferrous metals, plastic, plexi glass and wood up to 5 mm thick Crosswise grinding means no centre-punching necessary, drill bits do not run Diameter guide lasered into the tap, legible even when rotating Three-faced driving shaft, prevents slipping in the drill chuck