EXACT HSS Step Drill Bit 7mm x 32.5mm - 05310

DIN 335C. Step Drill for Cable Glands. Combined HSS step drill for making core and through holes for cable glands With spiral groove and deburring zone No centre-punching necessary, drill bits do not run Better flowing and paring cut through spiral groove Constant cutting angle during the whole process Suitable for construction steel, CrNi steel and non-ferrous metals up to 6 mm thick Diameter specification is lasered on every level Three-faced driving shaft, prevents slipping in the drill chuck