Description:

Connection Bore Diameter: 4mm to 6mm,Total Length: 25mm/0.98 inch,Outside Diameter: 18mm/0.71 inch,Material: Aluminum Alloy,Color: Blue,Package Content:1Pcs x Rigid Shaft Coupler with 4Pcs Screws.. Widely used in moment axis connection of motors, encoder blowers, 3D printers, DIY robots, CNC machine tools, etc.. Spring-type design, with buffering effect, the coupling acts on the deviation between diameters, angles and shafts.. NOTE: Pay attention to the size and model of the coupling. The elastic coupling is made of high-strength aluminum alloy material, integrated structure, light weight and durable..