Includes 2 piece coring bit socket adapter 3/8" round shank to 5/8"-11 threads for pads and power drills, coring bit adapter. Product Material: Made of high quality tungsten carbide Size: 5/8-11 thread to 3/8 inch straight shank. Shank diameter 8MM, length 27mm, overall length 47mm Applications: Can be used to connect compatible power and hand tools such as 5/8-11 female hollow point drills, hole saws, cup wheels, other compatible tools. Applications: Can be used to connect compatible power and hand tools such as 5/8-11 female hollow point drills, hole saws, cup wheels, other compatible tools. Product Name:Round Drill Pipe Adaptor
Product Material: Alloy
Specifications:5/8-11 Male Thread to 3/8" Round
Size: 5/8-11 thread to 3/8 inch straight shank. Shank diameter 8MM, length 27mm, total length 47mm
Package Contents: 2 Round Drill Pole Adapters

Application: can be used to connect compatible power tools and hand tools, such as 5/8-11 female hollow bits, hole saws, cup grinding wheels, other compatible tools.