Beefy Aluminum Shaft Coupler For Precision Motion Control 20mm OD 25mm Length 8mm Bore Anodized Aluminum Alloy Hub Machined To H7 Tolerance And Plug Gauge Verified For Rock Solid Fit On Servo Motors And CNC Drives

Aluminum Shaft Coupler Single-Unit for Precision Motion
✔️ OD 20mm, length 25mm, bore 8mm; anodized aluminum hub machined

Precision motion coupler that uses anodized aluminum hubs with a polyurethane spider insert to join two shafts in compact drive setups. It’s ideal for servo and CNC drives, small axes, 3D printers, and pick-and-place units where vibration damping and precise alignment matter.

✅ OD 20 mm; length 25 mm; bore 8 mm; bore machined to H7 tolerance; plug gauge tested
✅ Anodized aluminum alloy hub for corrosion resistance and light weight
✅ Polyurethane spider insert, 98 Shore A, with Grade 12.9 screws for secure clamping
✅ R-type chamfered slit edges reduce stress concentration and improve concentricity
✅ High concentricity supports smooth torque transmission in CNC and servo systems

💡 What is a shaft coupler used for in precision motion control applications like servo motors and CNC drives?

A handy explanation: it links two shafts with a flexible insert to transfer torque while absorbing minor misalignment and damping vibration.

- precise torque transmission with alignment tolerance - vibration damping via polyurethane spider - compatible with servo motors, steppers, and CNC drives✝️