Drill-Bit-Set 1/16 - 1/2 In 29 Pieces High-Speed-Steel

High speed steel for drilling most ferrous and nonferrous metals. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill bit; all sizes 13/32" and above have a 3/8" reduced shank. The 135 degree split point eliminates need for center punch and keeps drill from skating on hard surfaces. Includes (1) one each: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", ,29/64", 15/32", 31/64", 1/2" and metal case with pilfer proof tab.