Insize INSTCS12 12.4mm 3 Flute HSS M2 Countersink Drill~Chucks Professional die grinders used for

Professional die grinders used for precise cutting

It is recommended that the oil level should be at approximately 3mm below the oil filler hole

Grip Chucks permit use on a wide range of high accuracy drilling machines

Contains the most commonly replaced wedge style  fuses and includes normal and mini profiles with various colour coded amperage ratings

Suitable for 1

Insize INSTCS12 12.4mm 3 Flute HSS M2 Countersink Drill~Chucks Professional die grinders used forInsize 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