Experience the precision and efficiency of the RotaLoc™ Frame Drill Annular Cutter Kit, expertly crafted by Hougen in the USA. This versatile kit includes three sizes of annular cutters—1/2", 5/8", and 3/4"—along with three pilots, all designed for quick tool-less size changes thanks to the 5/8" shank. The innovative stack cut geometry of the RotaLoc cutters allows you to drill through multiple pieces of steel simultaneously, making it an essential tool for any metalworking project. Constructed from durable M42 high-speed steel, this kit is built to withstand the rigors of demanding applications while delivering exceptional performance.