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Percussion Masonry Drill Bit, 3/16 x 4-In.

Master Mechanic

SKU: 691188

Master mechanic, 3/16" x 4", rotary percussion, masonry drill bit, black oxide, carbide tipped, designed for use in drills with rotary or hammer mode, recommended for drilling cinder block, common & hard brick, plaster, ceramic tile, glazed tile & wet or dry concrete & for moderate use in marble, granite & concrete over 6000 psi.

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