Insize INSTCS06 5mm 3 Flute HSS M2 Countersink Bi-Metal~Holesaws Weight(net): 773 grams

Weight(net): 773 grams

Can also be used as an effective bush and bearing remover for alternators

Diameter size: 102mm

Manufactured from drop forged carbon steel

delivering excellent load capacity

Insize INSTCS06 5mm 3 Flute HSS M2 Countersink Bi-Metal~Holesaws Weight(net): 773 gramsInsize Countersinks are made from 100% M42 Cobalt High Speed Steel. They are used for countersinking holes and deburring in a wide variety of materials including ferrous and non ferrous metals. The triple, wide angled fluted design is self centering allowing the user to provide a heavy, 90 degree, chamfer to the entrance of a drilled hole. This chamfer may also be required to allow the correct seating of a countersink head screw or to provide the lead