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KNOCK-OUT PUNCHES

Unique Industrial offers Knock-out Punches. It is most useful for panel manufacturers, electrical contractors, offshore jobs and projects. It is very useful for punching of big holes in sheet metal where one faces the problem of making holes on very big size panels, even in workshops, requiring large presses for such a small job. It is supplied in sizes ranging from 1/ 2" to 4" dia for sheet metal thickness up to 10 gauge.