Reverse Counterbore: 7/16" Dia, 3/16" Pilot Hole, 4 Flutes, Solid Carbide MPN:191-4L

The reverse counterbore is a versatile tool designed for machining professionals who need to create precise and clean countersinks or chamfers on workpieces made of various materials such as aluminum, stainless steel, cast iron, and plastic. It is commonly used in the automotive, aerospace, electronics, and machinery industries for creating holes and mounting features. The 4-flute design ensures smooth cutting with minimal heat buildup while maintaining an accurate diameter throughout its lifetime, making it an essential tool for any professional or DIY enthusiast.