Features: 1.Combine dual-row needle bearing and cylindrical roller bearing. 2.Adopt multi-stage gear box to realize stable and convenient speed variation. 3.Equipped with sandwich plate valve for hydraulic system 4.The time can be delected by new digital display. Model Z28-150 hydraulic thread rolling machine Rolling thread range Diameter 5-56mm Max thread pitch 5.0mm Spindle angle 8 Max rolling pressure 180kn Spindle RPM 37/46/63/79rpm Roller size range Outside diameter 120-170mm Hole 54mm Max width 30-100mm Rolling time 0.1-99.9s Rest time 0.1-99.9s Spindle drive power 5.5kw Hydraulic transmission power 2.2kw Cooling pump power 90w Dimension 1560 1450 1450mm Weight 1850kg