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.
7 Piece Set Includes:
1 x UN100-044 - 44mm (1-3/4")
1 x UN100-051 - 51mm (2")
1 x UN100-063 - 63mm
1 x UN100-079 - 79mm (3-1/8")
1 x UN100-092 - 92mm (3-5/8")
1 x UN100-121 - 121mm (4-3/4")
1 x UN102-140 - 7/16" Arbor