... .Punch Distance ,40mm 3.Riveting distance,20mm Round duct elbow rivet machine ATM-09 1.Pressure,8ton2.Punch Distance ,40mm3.Riveting ... 2mm+2mm7.Power 380v,3 phase, 50hz This machine with rivet moulds,by hydraulic drive only,But by electronic control,with ... machine,Pittsburgh seam lock machine.Hydraulic section steel bending machine,metal sheet flange forming machine,TDF hydraulic folder,auto cutting to ...