3 Inch Wet Core Drill Bits, DaduoRi 3" Core Bit for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Bit for Cured Concrete with Rebar, Hard

3 Inch Wet Core Drill Bits, DaduoRi 3" Core Bit for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Bit for Cured Concrete with Rebar, Hard

SPECS: Core drill bit 3" diameter(outside),1-1/4" - 7 threaded arbor,14" drilling depth. USE WITH: For use with 1-1/4" - 7 spindle handheld core drills or core drill rigs with stand; use on rotary mode only. LONGEVITY: 3" Core bits feature uniform distribution and large diamond for fast-speed.Wet used! VERSATILE: 3 inch diamond hole saw drill bit core brick,concrete block with light steel reinforcement or hard masonry, stone. RELIABLE: Adopt new materials and advanced sintering process and welding process, which significantly improves the sharpness and resistance of this concrete hole saw. 3 Inch Wet Core Drill Bits, DaduoRi 3" Core Bit for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Bit for Cured Concrete with Rebar, Hard Masonry, Brick Block, Stucco, Stone (76mm)