... 4-2.5mm Length:50-100mm FR40*100 thread rolling machine, steel pipe making machine,pipe forming machineFR-40*100Technical parameters: ... Roll/ Pass two applied.3, Adopt Taiwanese column injection pump and Hydraulic system accessories, electrical. Asphalt can be used ... the imported Gimbal, lubrication system used the electric pump, change manual lubricating pump, use the Japanese bearing.5, Lower noise ...