Size: Total Diameter 14mm/0.55inch Length 22mm/0.87inch, Bore Diameter 3.17mm to 8mm/0.125inch to 0.31inch, M4 Set Screws
Shaft Coupling Material: Rigid coupling material is 45# steel, strong deformation resistance, high material strength, robust and long-lasting, can withstand high torque and high load
Performance: Rigid motor shaft coupler fixes the shafts by tightening the screws for more efficient, responsive, stable and low-inertia power transmission between the two shafts
Wide Range of Usage: Rigid Coupler is suitable for 3D printers, robots, motor accessories, DIY model, CNC machines, step motors and more mechanical drive industry
Packing List: 2 PCS Rigid Set Screw Shaft Coupler, 1 PCS M4 L Hexagon Wrench, 8 PCS M4 Set Screws
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