DaduoRi 2 3/4" Dry Core Drill Bit for Brick and Block with 3 Adapters Included: SDS Max, SDS Plus and 1/2" Hex Shank, 5/8"-11 Thread, 9.5" Drilling Depth for Concrete, Brick, Stucco,Masonry (2.75")

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Diamond Products 00006 3-1/2 in. H.D. Core Bit Heavy Duty Orange Core Bore Bit

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Steel Dragon Tools 3-Piece 1.5-inch to 2.5-inch Dry Diamond Core Drill Bit Kit with Hex SDS Adapters and Case

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