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Zhengzhou, China

6 Inch Concrete Core Drill Bit

6 inch concrete core drill bit

dry drill core bits for brick, concrete block, masonry,dry drill core bits for brick, concrete block, masonry - 6' diameter 5/8'-11 threaded grit for drilling soft brick, soft masonry, concrete block; diameter: 6 inches .steel dragon tools 6' (152 mm) dry diamond concrete core ,bit worked great! we needed a 6 inch hole for a waste line run. hooked this bit to a 1/2 drill w a 1 1/4 male to 1/ .dry core bit for brick and concrete block with pilot bit,30/40 diamond grit for drilling soft brick, soft masonry, concrete block; diameter: 6 inch - pilot bit included; thread: 1/2' shank; drilling depth: 9.5'; high .dry drill core bits for brick, concrete block, masonry,i had to drill four holes through an eight inch wall consisting of a concrete block which had been filled with cement aggregate. i was drilling horizontally about six .

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