Do it Best 10-Piece Cobalt Drill Bit Set, 1/16 In. Thru 1/4 In. 499861DB Pack of
Cobalt bits for drilling into hard surfaces like stainless steel. Set includes 1 each: 1/16″, 5/64″, 3/32″, 7/64″ 135 deg. Bits; 1/8″, 9/64″, 5/32 135...
Bosch Cobalt Twist Drill Bit Set 21 Piece
Bosch® cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8 percent cobalt. These hard-core cobalt bits deliver ten times the life...
