Solid Pilot Counterbore: 0.569" Dia, 3/8" Pilot, 4 Flutes MPN:301-0.3750

Harvey Tool's Solid Pilot Counterbore is an essential tool for professional machinists who require precise holes with a countersunk finish in materials such as aluminum, steel, brass, and plastics. This counterbore features a 0.569 diameter, 3/8 pilot diameter, and 4 flutes to offer superior performance in deburring and smooth surface finishing. Made of high-speed steel, this solid carbide counterbore is ideal for the automotive, aircraft, and electronic industries that require accurate dimensions and smooth finishes on components. Additionally, its ability to create a chamfer around the fastener head provides a tight seal and eliminates the risk of loosening, making it an indispensable tool for precision machining.