... bar thread rolling machine. Diameter:5-40mm Pitch:0.4-2.5mm Length:50-100mm FR40*100 thread rolling machine, steel pipe making machine, ... Japanese bearing.5, Lower noise and durable.6, Automatic feeding device is optional.7, rolling shape: rolling thread, textured, ... English version manual and matching tools enclosed for one machine.Contract amendmentAny changes for the contract clauses, a written ...