Insize INSTCS16 16.5mm 3 Flute HSS M2 Countersink Material~Handling delivering precision and efficiency on

delivering precision and efficiency on every job

Set includes: 6-piece jumbo hex key (metric): 8

Heavy duty steel fabricated construction with 4 mounting holes for stability and safety

9mm x 155mm

Size: 3/4" drive

Insize INSTCS16 16.5mm 3 Flute HSS M2 Countersink Material~Handling delivering precision and efficiency onInsize 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