5/16" Head Diam, 3/8" Shank Diam, 6" Overall Length, Counterbore Pilot MPN:186-13

The 5/16 Head Diameter and 3/8 Shank Diameter Counterbore Pilot is a versatile tool designed for producing a clean, accurate hole for screws and fasteners, providing a smooth finish after installation. Its 6 Overall Length and countersink/chamfer functions enable it to handle various materials such as aluminum, brass, bronze, cast iron, copper, plastic, and steel. Suitable for use in industrial maintenance and construction workshops or machinery fabrication, the Counterbore Pilot offers cost-effective solutions for industries including aerospace, automotive, military, electrical equipment repair shops, hardware retailers, and general manufacturing companies that require efficient hole processing and fastening operations.