The Unibor HSS annular cutters feature unique Unibor tooth geometry for optimum tool life and cutting speed. They are able to cut ferrous metals up to 50mm deep, and are available in a range of diameters. Made from hard wearing HSS M2 material increasing the lifespan and providing the ability to cut into various materials. Ideal for use with standard 3/4" Weldon shank magnetic drill arbors. Features and Benefits Made from hard wearing HSS M2 material to increase lifespan and provide the ability to cut into various materials Standard 3/4" Weldon shank allows the cutters to be used with a variety of drills Featuring unique Unibor geometry for optimum tool life and cutting speed Typical Applications Site and construction work Bridge Building and repair Truck and vehicle fabrication General fabrication applications