3/8\" Hex Shank Titanium Step Drill Bit - 10 Steps From 1/4\" To 1-3/8\"
MODE BY HSS, TITANIUM NITRIDE COATING * DESIGNED TO AUTO DEBURR THE HOLE CUT * USED ON ELECTRIC DRILLS AND DRILL PRESSES * 10 HOLE SIZES IN 1/18" INCREMENTS * Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"