HSS tube & sheet drill bits with ¼” hexagon shank. Split-point according to DIN1412-C. Cone shaped back-end of the tool facilititates easy withdrawal of the tool after having punctured sheet metal with the tool`s widest diameter.
Ideal tool for automotive, electrical, aviation, machine building industry, switchboards and plumbers. Stepless centering, drilling and boring without deformation of the workpiece. Material groups : 1.1 - 1.3 / 4.1 / 4.4 - 4.6 / 4.9 - 4.11 - 4.12