9/32″ x 4-3/8″, Multi-Purpose Drill Bit, Rotary Or Percussion Drilling, Tungsten Carbide & Cobalt Tip, Maximum Hardness & Resistance To Wear, Drills Through Concrete, Masonry, Ceramic Tile, Brick, Fiberglass, Plexiglass, Glass, Cast Iron, and more.
- Multi-Purpose Drill Bit For Rotary or Percussion Drilling
- For use on Glass, Granite, Plexiglass, Marble, Ceramic Tile, Fiberglass, Cast Metal, Brick, Hardened Steel, Masonry, Soft Wood, Concrete, Hard Wood.
- Chrome vanadium steel shank for enormous strength and flexibility. Ideal for cordless drills, corded drills and drill presses.
- Flat bottom parabolic flute for faster waste removal. Special negative back grinding enables the tip to bore through materials with a filing action, not cutting.
- Outlasts regular carbide tipped bits. No center punch needed, eliminates walking. Resharpen on a high quality silicon carbide grinding wheel. Conforms to ANSI standards. Coolants: turpentine, light oil, water.