EXACT HSS 7-30.5 mm Drill Bit, Hex

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

  DIN 335C