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 including steel, aluminium, brass, cast iron, plastics & wood. The M42 (8% Cobalt) high speed steel teeth offer optimal cutting life & performance.

VARIABLE PITCH 4 / 6 TEETH PER INCH.
For reduced vibration delivering increased life, performance & accuracy.

Diameter: 121mm (4-3/4″)
Thread: 5/8″