Construction Steel Rebar Coupler and Rebar Thread Rolling steel rebar coupler made by thread rolling machine
This machine is mainly used for ribbed steel bar straight screw thread processing, a necessary equipment for the connection of steel bar. It consists of frame, clamp, guide, slide, reducer, stripping rib rolling head, feeding mechanism, automatic opening and closing mechanism, stroke limit structure, cooling system, electrical control box and control system
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api 5l grade x70 chemical composition