Holemaker Bi-Metal Holesaw 121mm Dia.

UN100-121 | Holemaker Bi-Metal Holesaw 121mm Dia. PREMIUM QUALITY BI-METAL M42 COBALT HIGH SPEED STEEL.Suitable for drilling a wide range of materials includingsteel aluminium brass cast iron plastics & wood. The M42(8% Cobalt) high speed steel teeth offer optimal cuttinglife & performance. VARIABLE PITCH 4 / 6 TEETH PER INCH.For reduced vibration delivering increased life performance& accuracy. • Diameter: 121mm (4-3/4 )• Thread: 5/8