Set Screw Shaft Collars 2.1mm Bore Nickel Plated Steel 7mm OD 5mm Width 12 Pack Landing Gear Stopper Wheel Collar With Hex Wrench Heavy Duty Durable Anti Corrosion Positioner Spacers Bearing Stops

2.1mm Bore Shaft Collars, 7mm OD, Nickel Plated - 12 Pack
✔️ 2.1mm bore shaft collars with set screw, 7mm OD, 5mm width

These 2.1mm bore shaft collars are nickel-plated carbon steel clamps that provide secure positioning, stops, spacers, and bearing surfaces on small shafts. Made for reliability in automotive, robotics, and RC model projects, they secure gears, pulleys, and bearings in place.

✅ Size: 2.1mm bore, 7mm outside diameter, 5mm width
✅ Material: Nickel-plated carbon steel for high strength and corrosion resistance
✅ Installation: Set screw collar; adjust position along shaft with a hex wrench
✅ Pack: 12 pieces per pack; includes hex wrench for installation

💡 What is a shaft collar with set screw used for in mechanical assemblies?

These handy clamps lock components to a shaft, enabling precise positioning and preventing axial movement across rotating parts.

- Locks components to a shaft to prevent movement and misalignment
- Helps set repeatable positions for gears, pulleys, and bearings in compact builds
- Works with a hex wrench for secure tightening and easy removal
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