steel bar thread rolling machine. Diameter:5-40mm Pitch:0.4-2.5mm Length:50-100mm ... largest diameter : ¢ 40MM minimum rolling diameter : ¢ 5MMRolling pitch range : 0.4-2.5MM Rolling range of fixed- ... , change manual lubricating pump, use the Japanese bearing.5, Lower noise and durable.6, Automatic feeding device ... not be exceeding the whole contract amount’s 5%.Force Majeure:We factory shall not be held ...