J,COBALT JOBBER DRILL HEAVY DUTY - 540

Taper Pin Reamers are manufactured with a taper of 1/4” per foot. They are used to ream holes into which standard taper pins will fit. The point of each reamer will enter hole reamed by the next smaller size. HELICAL FLUTE – for machine reaming on a production basis. Helical design throws the chips forward to relieve packing of the flutes.