1/2" Diam, 7/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore MPN:251416

The interchangeable pilot counterbore drill bit is an essential tool in woodworking, automotive, plumbing or machining projects for creating accurate and consistent countersinks that allow easy assembly of hardware without damage to the workpiece. This high-speed steel drill bit has a 1/2 inch diameter with 3 flutes designed to bore smooth holes in various materials including wood, plastic, aluminum or soft steel while maintaining precise results every time. With a 7/16 inch hexagonal shank that fits most power drills and machines, this counterbore is compatible with several interchangeable pilot systems, enabling swapping between different sizes easily without losing accuracy. The straight shank ensures stability during operation while minimizing slippage or wobbling even on curved surfaces as well as making storage efficient by eliminating the need for separate counterbores. Its versatility makes it an ideal addition to any professional or DIY enthusiast's tool kit.