Reverse Counterbore: 11/16" Dia, 5/16" Pilot Hole, 4 Flutes, Solid Carbide MPN:191-8L

The reverse counterbore is designed to machine a reverse shoulder hole on the side opposite of the threaded end of a fastener. This tool comes with a diameter of 11/16 and a pilot hole size of 5/16. Made of solid carbide, it offers superior performance for applications that require precise, consistent results. With its four flutes, this reverse counterbore reduces vibration during cutting, providing smooth operation, longer tool life, and increased user safety. Its reversible design eliminates the need to change bits or switch tools between operations, reducing downtime and saving money on replacement costs. Overall, this reverse counterbore is an efficient solution for various industries where accurate and reliable threaded hole creation is essential.