Insize INSTCS1 6 Piece 3 Flute HSS M2 Countersink Set Engine~Cranes~Stands Ideal for repairing damaged or

Ideal for repairing damaged or stripped internal threads

Contact point precision ground and hardened

Plated finish for corrosion resistance

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

Overall dimensions: (L x W x H) 603 x 390 x 140mm

Insize INSTCS1 6 Piece 3 Flute HSS M2 Countersink Set Engine~Cranes~Stands Ideal for repairing damaged orInsize 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