Product: Artu - 7 Piece Metric Multi-Purpose Drill Bit Set
Brand: ARTU-USA
7 Piece Metric Multi-Purpose Drill Bit Set
Multi-Purpose Drill Bit For Rotary or Percussion Drilling; Set includes 1 each: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm
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.

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