TUFF TOOTH TM design is reinforced to cut stronger and last longer. Patented VARI-TOOTH® design resists tooth strippage. High speed steel teeth resist breaking and offer extended life. Thick backing plate with holes for drive pins resists damage due to high torque.
Draper Expert 20mm Hss BiMetalHolesaw Blade Expert Quality, heavy duty variable pitch bi-metal holesaws for cutting wood, steel, brass, bronze, cast iron, aluminium and plastic. Manufactured from high quality steel with M3 cutting edge for fast clean heavy duty cutting action. Maximum cutting depth 35mm.