2pcs 4mm to 5mm Shaft Coupling Set Screw, L20 x D12 Bore Rigid Shaft Coupler Joint Connector Aluminum Alloy for 3D Printer,DIY Robots, CNC Machine,Motor Accessories, Red
【Size&Package】Bore Diameter: 4mm to 5mm, Total Length: 20mm /0.78 inch, Outside Diameter : 12mm/ 0.47 inch, Through Angle: 180 Degree; Package includes: 2 x rigid shaft coupler, 8 x screws
【Excellent Performance】4mm to 5mm shaft coupler is made of aluminum alloy to reduce inertia, has high torque with rigidity, low inertia, and excellent sensitivity. No rotation gap and elastic action can make up for symmetrical angular misalignment.
【Durable Aluminum Material】Bore rigid shaft coupling is oil proof, corrosion-resistant, corrosion-resistant, and does not rust, having a long service life.
【Wide Applications】The 4mm to 5mm rigid shaft coupler is used to hold bearings and sprockets tightly on the shaft to ensure the normal operation of the machine. Widely used in blowers, 3D printer, DIY robots, CNC machine, stepper motors, mechanical drive situations, etc.
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