Mibro 895080 12-Piece Super Masonry Drill Bit Set. Ideal for drilling concrete, bricks, stone and other masonry materialsTough carbide tip for a long service lifeAll sizes 3/16-Inch and larger have 3 flats on the shaft to prevent slipping in the drill chuckWide spiral flutes quickly clear dust and debris from the cutting area. These bits are designed for rotary drills and are excellent for drilling brick, concrete, stone and ceramic tile (use at a slower speed).
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