Z28-200 outer thread rolling machine, the machine can variate in the fifth grear on a large scale in more areas and at a high level with strong reliable processing ability. Features of high speed Z28-200 automatic thread rolling machine: Good equipment for no hydraulic pressure, low power cost Reliable quality and high efficiency Compact , reansonable structure Avoid adjusting disoder thread and convenient adjustment Model Z28-200 stud bolt thread rolling machine in Russia Rolling thread range Diameter 64mm Max thread pitch 6mm Spindle angle �±10�° Max rolling pressure 300kn Spindle RPM 22/28/35/45/56/70rpm Roller size range Outside diameter 210mm Hole 75mm Max width 150mm Rolling time 0.1-99.9s Rest time 0.1-99.9s Spindle drive power 11kw Hydraulic transmission power 5.5kw Cooling pump power 90w Dimension 1900*1700*1450mm Weight 2500kg