IRWIN Tools Cobalt High-Speed Steel Drill Bit 29-Piece Metal Index Set 30180
IRWIN Tools Cobalt High-Speed Steel Drill Bit, 29-Piece Metal Index Set (3018002). Cobalt Drill Bit Set. Sizes 1/16 inch -1/2 inch in 1/64 inch increments,...
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...
