- 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
- Conforms to ANSI standards