Hanperal 65mm SDS Plus Shank Hole Saw Cutter Concrete Cement Stone Wall Drill Bit

Made of carbide tipped metal material,very durable. Simple operation, easy to use,and fast perforated. Used for drilling walls, stones, bricks,or installation of air-conditioning etc. SDS plus shank, male thread Adapter,Greatly replace the broken adapter with your drill chuck. High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth.