Drill America 115 Piece m42 Cobalt Drill Bit Set 1/16 -1/2 A-Z 1-#60 D/ACO Series
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel....
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools.
- Round shanks allow use with a wide variety of toolholding systems.
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.
- 115 piece drill bit set comes in a metal case.