... , stable, reliable, strong performance. Steel Bar CutterModelGQ50 StrengthenedDiameter of Cut Off Steel6-45mmFrequency of ... machine is efficient for cutting steel bar products,such as ordinary carbon steel , cold and hot round steel , screw thread steel ,flat steel,angle steel and square steel ... failure protection and earthleakage protection. 4KW GQ50 Strengthened Steel Bar Cutting Machine/380V/415V