7/16" Diam, 1/4" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore MPN:MIT-434-7

Our premium grade M35 high-speed steel straight shank countersink features a pilot to eliminate chatter and reduce wobble during installation, producing clean and accurate holes with its four cutting edges designed for metalworking applications in automotive, manufacturing or machining industries where precision is paramount. Ideal for through-hole drilling, blind hole drilling, and counterboring tasks that require consistent hole depth control on materials such as steel or stainless steel up to 3/16'' thickness, our interchangeable pilot counterbore ensures user convenience due to its compact size and durability while reducing downtime & expenses associated with tool changes. With a shank diameter of 0.25'' this bit has an impressive cutting edge diameter of 7/16'' allowing users to achieve superior performance without breaking or chipping under demanding drilling conditions - make your next project a success story by investing in a counterbore designed for excellence!