29-Piece Cobalt Drill Bit Set ATD-9261
29-Piece Cobalt Drill Bit Set. Cobalt steel extends cutting edge life. Cobalt offers the best heat resistance for drilling in extremely hard and abrasive materials...
Irwin Tools Drill Bits 3018002 Cobalt M-35 Metal Index Drill Bit Set, 29 Piece
Irwin Tools 3018002 Cobalt M-35 Metal Index Drill Bit Set, 29 Piece. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on...
