The Arbor for Large Diameter RotaCut Hole Cutters from Hougen is expertly crafted to accommodate a range of RotaCut sheet metal hole cutters, specifically those measuring between 13/16" (6mm) and 1-1/2" (25mm). This essential tool includes a pilot (model 11027) for precise cutting and is engineered with a triple flatted shank to ensure a secure fit in 1/2" drill chucks, enhancing stability during operation. Proudly made in the USA, this arbor stands out for its reliability and compatibility, making it an indispensable component for those tackling projects involving larger diameter cutting needs in the welding and cutting equipment sectors.