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)

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  • 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!
  • RELIABLE Adopt new materials and advanced sintering process and welding process, which significantly improves the sharpness and resistance of this concrete hole saw.

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