Drill America - DAM18X1/4 1/4' x 18' Carbide Tipped Masonry Drill Bit, Dam Series
- Carbide-tipped tools feature cutting edges of carbide for wear resistance and a steel shank for toughness.
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge.
- 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.
- Designed for use in portable electric drill.