Photo 1 of SALI Wet Diamond Core Drill Bits 4-1/4" (108mm) Diameter, 15" (380mm) Drilling Depth, Turbo Laser-Welded Segments(Wavy Teeth) With 1-1/4"-7 Thread Core Bit for Rebar Concrete Brick Block Masonry Stone

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Photo 1 of SALI Wet Diamond Core Drill Bits 4-1/4" (108mm) Diameter, 15" (380mm) Drilling Depth, Turbo Laser-Welded Segments(Wavy Teeth) With 1-1/4"-7 Thread Core Bit for Rebar Concrete Brick Block Masonry StonePhoto 2 of SALI Wet Diamond Core Drill Bits 4-1/4" (108mm) Diameter, 15" (380mm) Drilling Depth, Turbo Laser-Welded Segments(Wavy Teeth) With 1-1/4"-7 Thread Core Bit for Rebar Concrete Brick Block Masonry Stone