... machineThe ironworker adopts mechanical driving, and the frame adopts steel welded structure, which has sufficient strength and rigidity. ... notching the square,round and angle bar, channel and joist, etc TECHNICAL PARAMETER:Punching pressure: 55ton;Max. thickness ... be used as punching,shearing angle steel,shearing rounds,shearing square steel,shearing steel plate,mould shearing,shearing-beam,shearing ...