12 Pieces Set Screw Shaft Collars 4mm Bore 9mm Outer Diameter 7mm Width In Durable 304 Stainless Steel Landing Gear Stopper With Hex Wrench For Precise Positioning Spacers Stops And Bearing Surfaces In DIY And Industrial Projects

12-Piece 4mm Bore Shaft Collars in 304 Stainless Steel
✔️ 4mm bore, 9mm OD, 7mm width, 12-pc set, 304 stainless

These set screw shaft collars lock components onto a shaft for precise positioning. Made from durable 304 stainless steel, they resist corrosion in many environments, making them ideal for DIY projects, robotics, automotive work, and industrial machinery. The included hex wrench lets you adjust and lock quickly without dismantling other parts.

✅ 4mm bore, 9mm outside diameter, 7mm width
✅ 304 stainless steel construction for corrosion resistance
✅ Set screw design for adjustable shaft positioning
✅ Includes hex wrench for easy on-site adjustment
✅ 12-piece pack for multiple assemblies

💡 What is a 4mm bore shaft collar with a set screw used for in mechanical assemblies? It's a handy clamp that locks components to a shaft, preventing slip and maintaining alignment.
- Keeps gears, pulleys, spacers, and bearings from sliding on the shaft
- Allows precise alignment adjustment during assembly and service
- Handy for robotics, automotive work, and DIY projects