Reverse Counterbore: 1-7/8" Dia, 3/4" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-17J*

A reverse counterbore is a cutting tool that creates an internally threaded hole or a clearance hole to facilitate the mounting of fasteners or hardware. This high-speed steel counterbore has a diameter of 1-7/8 and a depth of cut of 3/4, with a pilot hole that matches the diameter for accurate alignment. Its 4 flutes ensure efficient chip removal during use, while its reverse design makes it suitable for blind hole applications. The tool is ideal for use in automotive, machining, aerospace or manufacturing industries where mounting of hardware requires precise and clean cuts.