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steel construction
aluminum or mild steel pipe or tubing to a desired angle
Ratchet Handle
Single switch action easily selects each test position
Insize INSTCS06 5mm 3 Flute HSS M2 Countersink AAA20-0225 steel constructionInsize 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
