Eagle Tool US EC56272 Flex Shank Installer Drill Bit, Serrated Split Point, 9/16-Inch by 72-Inch, Made in the USA
Brand: Eagle Tool US
Split Point for better starting and Serrated body for aggressive cutting
Flexible spring steel shank with wire fishing accommodation holes in the head and shank
Three flat non-slip grip on the chuck end
Add a Quick Switch Hex to adapt to a Quick Change chuck part number ETHXKIT187
Made in USA