Bosch Black Oxide Metal Drill Bit Set (21-Piece)

Bosch 21-Piece Black Oxide Metal Drill Bit Set is a versatile collection of drill bits designed for a wide range of metal drilling tasks. These bits are made from high-speed steel (HSS) and coated with black oxide to reduce friction and increase durability. The no-skate tip provides clean and accurate starts, while the three-flat shank promotes better grip on bits 3/16" and larger. The universal drilling applications are designed for general purpose use, and the high visibility marking provides clearly marked diameter. This set includes the following drill bit sizes: (2) 1/16", (2) 5/64", 3/32", 7/64", (2) 1/8", 9/64", 5/32", 11/64", (2) 3/16", 13/64", (1) 7/32", 15/64", (2) 1/4", 5/16", 3/8" & 1/2".