Industrial #4 0 High Speed Steel Straight Flute Taper Pin Reamer by Brubaker is a precision cutting tool used to enlarge and finish holes for taper pins in metalworking and machinery assembly. Made from high-speed steel and featuring a straight flute, it provides predictable chip evacuation and a clean bore for an accurate taper pin fit. The size designation shown in the title, #4 0, identifies the intended taper pin size for Brubaker's reamer lineup.
