Reverse Counterbore: 1-3/4" Dia, 3/4" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-16J*

The OSG reverse counterbore is a valuable tool designed for professionals in various industries who require precise and accurate countersinking applications. Its size of 1-3/4 diameter, with a 3/4 pilot hole, ensures versatility and precision during operation. It features four flutes made from high-speed steel, which provides exceptional durability and strength, making it ideal for metalworking applications such as machining and automotive repair. Its reverse design allows for faster and more accurate counterbore installation with minimal material removal on the outer diameter of the component being worked on. With its precision and durability, this OSG reverse counterbore is an essential tool for any professional requiring accurate countersinking applications within various industries like automotive, aerospace, and machining.