... -outer teeth: 50mm FR-50*50A-03 Hydraulic rolling machine, Automatic pipe threading machineMax length of cutting -inner teeth30mmMax length ... use the Japanese bearing.5, Lower noise and durable.6, Automatic feeding device is optional.7, rolling shape: rolling thread, ... / English version manual and matching tools enclosed for one machine.Contract amendmentAny changes for the contract clauses, a written ...