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.