Insize INSTCS1 6 Piece 3 Flute HSS M2 Countersink Set Engine~Cranes~Stands 1 Drawer: 570 x 370

1 Drawer: 570 x 370 x 153

Sizes: 22mm and 24mm

Manufactured from quality drop forged heat-treated carbon steel with an alloy steel forcing screw

Plated finish for corrosion resistance

Precision ground for high quality and true running accuracy

Insize INSTCS1 6 Piece 3 Flute HSS M2 Countersink Set Engine~Cranes~Stands 1 Drawer: 570 x 370Insize 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