Tools Cobalt High-Speed Steel Drill Bit 29pc Metal Index Set 3018002
IRWIN Tools Cobalt High-Speed Steel Drill Bit, 29-Piece Metal Index Set (3018002). Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on...
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...
