Hyjoy Core Drill Bits 1 3/8" Diameter 10"/254mm Depth 5/8-11" Thread Core Bit with Welded Segments for Cured Concrete, Brick, Stone, Masonry, with Two

Package: 1 3/8" core drill bit *1; 3/8inch Shank Adapter *1 and 5/8"-11 Thread Male to SDS Plus Shank for SDS Plus Drills *1 Diameter: 1 3/8"/35mm, Inside barrel depth (thread depth): 10"/254mm, Thread Type: Industry Standard 5/8-11" Versatile Uses: Our concrete core drill is designed for concrete, red brick, tile masonry，brick and cinder wall, asphalt, and other materials conditions, such as air conditioners, pipes, hood etc. : This core drill be dry . at the vertical position and continue to dig deep. Efficient Smooth : This core drill includes steel components, and fine grits for extended coring life, with chip removal holes, highly uniform sawteeth, and concentric axes design.