*Slotted taper and deburring
  countersink for burr and 
  chatter-free deburring and countersinking. 
*Made from 90¢X HSS CO5. 
*Through slot chip removal prevents chips from clogging in workpiece. 
*Gives best results at low cutting speeds in steel, cast iron, non-ferrous and light metals.
*6mm shank.