500pcs Precision Aluminum Balls Diameter 4mm Solid Smooth Ball Spherical Bead(4.0mm - 500pcs)

500pcs Precision Aluminum Balls 4mm - Solid Smooth Spherical Beads for Precision Machinery
✔️ 4.0 mm diameter, ±0.05 mm tolerance, 500 pcs, aluminum 1060/1070

These precision aluminum balls are designed for high-precision components and assemblies, including bearings, gaskets, capacitors, vacuum tube nets, wire protection sleeves, nets, and decorative parts. They come in a 500-piece pack, with a 4.0 mm diameter and ±0.05 mm tolerance. Made from aluminum 1060/1070, they offer light weight, good electrical and thermal conductivity, and corrosion resistance for both hobbyist and industrial projects.

✅ Diameter: 4.0 mm
✅ Tolerance: ±0.05 mm
✅ Material: Aluminum 1060/1070
✅ Quantity: 500 pcs
✅ Finish: Solid smooth sphere
💡 What are precision aluminum balls used for in small mechanical assemblies? These aluminum spheres are handy for lightweight, precise motion and load sharing. - High dimensional accuracy and consistent roundness for repeatable motion - Low density reduces inertia in tight spaces and handheld devices - Smooth surface minimizes friction and wear in contact parts - Ideal for bearings, gaskets, capacitors, vacuum nets, and decorative parts Using them in your projects can boost accuracy and overall performance in small machines and prototypes.