TEMCo 4 HYDRAULIC KNOCKOUT PUNCH Electrical Conduit Hole Cutter Set KO Tool Kit
October 10, 2025
Install the correct punch mandrel on the hydraulic cylinder along with the female portion of the punch die. Drill a pilot hole large enough to clear your selected punch mandrel. Insert the punch mandrel through your drilled hole in the panel. Install the male portion of the punch die by threading it down to the point where it is snug against the metal to be punched. Close pump valve and pump the handle until the punch is drawn through the metal. Release the pump valve and remove the punch dies.