Reverse Counterbore: 1" Dia, 1/2" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-11L

The reverse counterbore is a high-speed steel drill bit that cuts efficiently through various materials such as metals and plastics for precise and accurate hole making applications. It features a four flute design, allowing faster chip removal and improving the overall drilling experience while maintaining accuracy and precision. With its 1/2 inch pilot hole, users can easily align and secure screws with minimal hassle. Additionally, the reverse counterbore creates a recessed thread on one side of a fastener or part for securing another object, enhancing functionality in numerous industries such as automotive manufacturing, aerospace engineering, and electronic equipment assembly.