... steel bar thread rolling machine. Diameter:5-40mm Pitch:0.4-2.5mm Length:50-100mm FR40*100 thread rolling machine, steel pipe making machine,pipe forming ... roundness when by rolling.2, Fixed Roll/ Pass two applied.3, Adopt Taiwanese column injection pump and Hydraulic system accessories, electrical ... for Customer is the whole contract amount’s 0.1%.3, the above mentioned penalty total amount can not be ...