21pc Coblt Indx Set 1-16"-3-8"

Made of M35 steel, with 5 percent cobalt, extra thick drill core, for use on stainless steel and space age alloys. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill bit. Sizes 7/16" and 1/2" have 3/8" reduced shank. The 135 degree split point eliminates the need for a center punch and keeps the drill from skating on hard materials. 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.

• DRILL BIT SETS
• METAL INDEX
• COBALT
• 21 PIECES