IRWIN Drill Bit Set, M35 Cobalt Alloy Steel, 29-Piece (3018002), New
Cobalt Alloy Steel Drill Bit Set. Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk. 5% Cobalt Alloy Steel For Higher Heat & Abrasion Resistance. Heavy Duty Web Construction For Strength & Durability.