ARTU Tungsten Carbide Tipped Drill Bit Set Round Shank 13 Pc

The special negative back grinding enables the tip to bore with a filling action, not cutting and chrome vanadium steel shank for enormous strength and flexibility. The blend and high tech bonding of cobalt and tungsten carbide allows bit to withstand temperatures up to 2000 degree.

Conforms to ANSI standards

For use on glass, plexiglass, ceramic tile, cast metal, hardened steel, soft wood, hard wood, granite, marble, fiberglass, brick, masonry, concrete and PVC

For rotary or percussion drilling

Special negative back grinding enables the tip to bore through materials with a filing action, not cutting

Cobalt and tungsten carbide tip allows bit to withstand temperatures up to 2000 degrees F

Chrome vanadium steel shank has enormous strength and flexibility

Flat bottom parabolic flute for faster waster removal

Works ideally for cordless drills, corded drills and drill presses

Requires no center punch – eliminates walking

Resharpens on a high quality silicon carbide grinding wheel