10mm to 12mm Rigid Clamp-On Couplings, Aluminum Shaft Coupling 32 Diameter 45 Length, Motor Shaft Coupler Connector for CNC Machine 3D Printer DIY Encoder

Set screw type (Clamping-on); Main Color: Silver tone High axial load and torque capacity Recessed screw head provides an outside surface free of major projection for safety Anodized aluminum provides corrosion resistance; abrasion resistance; increase surface hardness The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the debugging difficulty.