BIT SET HSS 21PC 1/16-3/8IN

High speed steel for drilling most ferrous and nonferrous metals. The 135 degree split point eliminates need for center punch and keeps drill from skating on hard surfaces. 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. 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" and metal case with pilfer proof tab.