9/16 x 6-1/4-In. Multi-Purpose Drill Bit Brand_Diamond Crystal UL and CSA Certified

UL and CSA Certified

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Features our "All-Day Comfort" insoles for maximum comfort and our signature deep-lug tread for great traction

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9/16 x 6-1/4-In. Multi-Purpose Drill Bit Brand_Diamond Crystal UL and CSA Certified9 16" x 6 1 4" multi purpose drill bit, cobalt and tungsten carbide tip for maximum hardness and resistance to heat and wear, for rotary or percussion drilling, for use with masonry, concrete, brick, marble, granite, hardened steel, cast metal, fiberglass, plexiglass, ceramic tile, hard wood, soft wood and glass, tubed.