4 Pack 12mm Bore Aluminum Shaft Collars With Set Screws, 20mm Outer Diameter, 8mm Wide, Perfect For Wheelbarrow Axles, Gearbox Assemblies, CNC Tools, And Industrial Machinery, Anodized Finish For Heavy Duty Protection

Heavy Duty 12mm Bore Aluminum Shaft Collars 4-Pack
✔️ 12mm bore, 20mm OD, 8mm wide (0.47 in, 0.79 in, 0.317 in), 4-pack shaft collars

These aluminum shaft collars come in a 4-pack with a 12mm bore, 20mm outer diameter, and 8mm width. They’re built from solid 6061 aluminum alloy and have an anodized finish for heavy-duty protection, ideal for wheelbarrow axles, gearbox assemblies, CNC tools, and general industrial machinery.

✅ Material: 6061 aluminum alloy with anodized finish
✅ Bore: 12 mm; Outer diameter: 20 mm; Width: 8 mm
✅ Setscrew: socket cup-point setscrew provides secure grip
✅ Pack: 4 collars per order; easy slide-on and tightening
✅ Applications: wheelbarrow axles, gearbox assemblies, CNC tools, industrial machinery

💡 What is a shaft collar used for in industrial machinery? This handy device provides secure axial positioning and easy adjustability.
- Helps fix components in place along a shaft to prevent sliding
- Used to set precise spacing and stops in gearboxes and CNC tools
- Simple to install with a socket cup-point setscrew for quick clamping