Reverse Counterbore: 3/4" Dia, 1/4" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-9J

The OSG reverse counterbore is a precision tool designed for professional use in various industries requiring accurate countersinking operations. Its small size of 3/4 diameter with a 1/4 pilot hole makes it ideal for use on smaller components where space is limited, while its four flutes made from high-speed steel provide strength and durability during operation. Its reverse design allows for quick and precise counterbore installation with minimal material removal on the outer diameter of the component being worked on. With its versatility and precision, this OSG reverse counterbore is an essential tool for professionals in various industries such as automotive, aerospace, and machining when performing countersinking applications.