9/16 x 6-1/4-In. Multi-Purpose Drill Bit Category_Flooring Materials which inhibits cell division and

which inhibits cell division and disrupts photosynthesis

Corrosion resistant nylon construction is tough and rinses easily

as well as continued hole quality

ideal for drilling porcelain tiles up to a scratch hardness of 8

9/16 x 6-1/4-In. Multi-Purpose Drill Bit Category_Flooring Materials which inhibits cell division and9 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.