65Pcs M3 Aluminum Spacer Kit With 3.1Mm ID And 6Mm OD Eight Lengths From 0.5 To 10Mm Unthreaded Round Standoffs Silver Finish Great For Electronics DIY Projects Robotics And Home Workshop

M3 Aluminum Spacer Kit, 65-pc Set with 8 Lengths
✔️ 65 pieces, 3.1mm ID, 6mm OD, 0.5-10mm lengths, M3 fit

These round aluminum spacers are unthreaded standoffs designed to space components, align panels, and provide bearing surfaces in electronics, robotics, RC models, and DIY projects. They fit M3 screws and bolts and are ideal for clean, secure assemblies in hobby electronics and mechanical builds.

✅ Inside Diameter: 3.1mm
✅ Outside Diameter: 6mm
✅ Length options: 0.5/1/1.5/2/2.5/3/6/10mm
✅ Material: Aluminum alloy, silver finish

💡 What is a common use for a round aluminum spacer in electronics and DIY projects?

This handy spacer creates precise gaps and supports mounting in assemblies.

- Spacing components and aligning panels in electronics and robotics
- Provides a smooth bearing surface for rotary shafts and fasteners
- Aids heat dissipation in high-current electronics