Irwin 3018004 IRWIN 29-Piece Black Oxide Metal Index Drill Bit Set (3018004)

3018004. Black Oxide Metal Index Drill Bit Set - 29-Piece Set. Oxide treatment resists corrosion, helps prevent bit from rusting. 135° split point tip starts on contact, cuts with less force. Reduced shank above 3/8" allows the use of larger drill bits in a 3/8" chuck. Rubber overmolded case protects kit if dropped. Tap & Drill selection chart for convenient reference. Automatic indexing for easy bit access and identification. Removable cartridges: easy to carry bits from case to worksite. Description: 29-Piece Set in Metal Index Case. Type: Heavy-Duty HSS Fractional. Includes Drill Bit Sizes: 1/16" to 1/2" by 64ths. Point: 135°. Finish: Black Oxide.