2 Pack Heavy Duty Double Split Shaft Collar Clamp On For 20mm Shaft, 40mm Outer Diameter, 12mm Width, Aluminum 6061 Anodized, Set Screw Design, Use As Stopper, Positioning Spacer, And Timing Pulley Holder For CNC And Machine Tools

Two-Pack Heavy-Duty Double Split Shaft Collar Clamp 20mm
✔️ Heavy-duty double-split collar for 20mm shaft, 40mm OD, 12mm wide

These heavy-duty, two-piece aluminum collars clamp onto a 20 mm shaft to serve as stoppers, spacers, and timing pulley holders in CNC machines and other precision equipment. Made from 6061 aluminum with anodized finish for durability, they offer solid support in machine tool setups and harsh operating environments.

✅ 20 mm shaft fit; 40 mm outer diameter; 12 mm width
✅ 6061 aluminum, anodized finish for durability
✅ Two-piece design distributes pressure evenly on shaft
✅ Socket cup-point setscrew included for secure mounting

💡 What is a shaft collar clamp used for in CNC and machine tools?

These handy parts locate and secure components on rotating shafts. - axial positioning and stops for precise alignment - easy tightening with set screws for quick adjustments - safeguards shafts from deformation under load - doubles as a spacer and pulley holder in CNC setups