For the interested product, you can submit bulk price inquiry by bulk order inquiry form. Tags: Stepper Motor Coupler, 3D Printer Z Shaft Coupling, CNC Machine Coupler, Aluminum Alloy Joint Connector, 10mm to 10mm Shaft Coupling, DIY Encoder, Small CNC Machine Parts, 3D Printer Accessories, Stepper Motor Joint Connector Absorption of parallel, angular misalignments and shaft end-play by spring action. Material: Aluminum alloy; Size: 25x19mm/ 0., 98x0., 75 inch( L*D) For little torque shaft connect. Stepper Motor Connector 10mm To 10mm 5Pcs 10mm To 10mm Shaft Coupling 25mm Length 19mm Diameter Stepper Motor Coup Stepper Motor Coupler The structure is simple, easy to install, buffer, damping, convenient to disconnect. The size is complete and the surface is smooth. The elastic connection, you can absorb vibration, compensate radial, angular and axial misalignment Flexibility of coupling shaft removes stress between the motor and driving components. Description:10mm to 10mm shaft usage diameter, 25mm length, 18mm diameter, set screw type, beam coupling., Zero backlash. Spiral Aluminium Flexible Coupling 10mm x 10mm (Encoder, Stepper Motor) BTH BCS 31 25 10 10 A The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the debugging difficulty.