Big Horn 19249 High Speed Steel Step Drill Bit Titanium Nitride Coated

Big Horn 19249 High Speed Steel Step Drill Bit Titanium Nitride Coated. Speed up kitchen and bath fixture installations with this high-speed steel step drill. This 3 piece set of titanium nitride coated, high speed steel step drill bits replaces 28 individual drill bits so you save time on switching out drill bits.Specifications:Shank: 1/4" (Quick Change)6 Step Bit- (3/16 in. to 1/2 in.):  3/16 in., 1/4 in., 5/16 in., 3/8 in.,7/16 in., 1/2 in.9 Step Bit- (1/4 in. to 3/4 in.): 1/4 in., 5/16 in., 3/8 in., 7/16 in.,1/2 in., 9/16 in.,5/8 in.,11/16 in.,3/4 in.13 Step Bit- (1/8 in. to 1/2 in.): 1/8 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 13/32 in., 7/16 in., 15/32 in., 1/2 in.