SALI Wet Diamond Core Drill Bits 10"/256mm Diameter Core Drill Bit, 15"/380mm drilling depth Concrete Core Drill Bit, 1-1/4-7" Thread Core Bit Turbo Laser-Welded Segments for Cured Concrete with

SALI Wet Diamond Core Drill Bits 10"/256mm Diameter, 15"/380mm Drilling Depth Concrete Core Drill Bit, 1-1/4-7" Thread Core Bit Turbo Laser-Welded Segments with Rebar, Brick, Block, Masonry, Stone

DaduoRi 3 1/2 Inch Wet Core Drill Bit, 3.5" Core Bits for Concrete, 1-1/4"-7 Thread, 14" Drilling Depth Diamond Core Drill for Concrete with Rebar, Masonry, Brick Block,Cement, Stucco, Stone (89mm)

VEVOR Diamond Core Drilling Machine, 4in Handheld Wet Concrete Core Drill Rig, 1100-2400RPM Two Speed & 1-1/4" Thread & 2 Bubble Levels, 3-4in Drilling Diameter for Concrete Brick Block Stone, 1500W