MA Ford 64100073, UniFlute Countersink Set 90-Deg., 7 PC. 3/16, 1/4, 3/8, 1/2, 5
MA Ford 64100073, UniFlute Countersink Set 90-Deg., 7 PC. 3/16, 1/4, 3/8, 1/2, 5/8, 3/4, 1 MA Ford 64100073, UniFlute Countersink Set 90-Deg., 7 PC. The original single flute countersink designed for general purpose countersinking, chamfering or deburring.