... 40 PCS/Minute • Advanced design,strong function,its maximum weld stud can be M10• Small in size,light in weight,easy ... ,Copper alloy,Aluminum alloy and many other kinds of metal stud• High welding efficiency,Maximum can reach 40pcs/minute• AC 220V ... Working Speed(pcs/min)Working time(mm)Standard stud length(mm)Rated welding stud Diameter(mm):Mild steel88000CMOS Chip401-33-35M3-M10Rated ...