used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613 used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613 used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613 used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613 used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613 used birmingham heavy duty hydraulic double pinch plate bending roll RH-0613