uxcell 4mm to 4mm Bore Rigid Coupling Set Screw L20XD10 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light Blue,2pcs sold2026 mental quickness

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uxcell 4mm to 4mm Bore Rigid Coupling Set Screw L20XD10 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light Blue,2pcs sold2026 mental quicknessuxcell 4mm to 4mm Bore Rigid Coupling Set Screw L20XD10 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Light Blue,2pcs Product Features Connection Bore Diameter: 4mm to 4mm; Total Length: 20mm 0. 79 inch, Outside Diameter : 10mm 0. 39 inch; with M3 Screws Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft,