Century Drill And Tool Masonry Sonic Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Shank 1/4″ Size:1/4″ X 4″ X 6″ push chucked driver head and

push chucked driver head and rotate clockwise until it clicks

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IR-filtered non-drifting silicone sensor designed to duplicate a human eye response

Used at the base of a vertical drain pipe (stack) to provide a cleanout opening with threaded side opening and toe saver style plug which is flush with wall

Century Drill And Tool Masonry Sonic Drill Bit 1/4″ Cutting Length 4″ Overall Length 6″ Shank 1/4″ Size:1/4″ X 4″ X 6″ push chucked driver head andIndustrial tungsten carbide cutting tip resists wear and breakage for maximum durability Fully ground heat treated body handles the shock and stress of cutting concrete, stone, tile, granite and other masonry materials Advanced flute design clears debris faster keeping the cutting tip cooler extending drill life