US$ 25.00
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6pt 4-3/8”(111mm)
The triple wide angled fluted design is self-centering allowing the user to provide a heavy
Base Plate (mm): 70x58mm
Weight(nett)15kg
5 litre oil resistant container
Insize INSTCS12 12.4mm 3 Flute HSS M2 Countersink exp-31025 6pt 4-3/8”(111mm)Insize 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
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