Photo 1 of DaduoRi 4" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank - 9.5" Drilling Depth Core Bits for Brick, Block, Concrete, Stucco and Masonry(102mm)

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Photo 1 of DaduoRi 4" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank - 9.5" Drilling Depth Core Bits for Brick, Block, Concrete, Stucco and Masonry(102mm)Photo 2 of DaduoRi 4" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank - 9.5" Drilling Depth Core Bits for Brick, Block, Concrete, Stucco and Masonry(102mm)