15.8mm 20pcs Solid Pure Copper Balls - Brass Ball Bead

15.8mm Solid Copper Balls - 20pc Pack of Pure Copper Spheres for Machinery and Art Bead
✔️ 20 pcs per pack, diameters 1-20 mm, solid copper Cu, H62/H65 grade

These solid copper balls are precision-ground spheres designed for use in machinery, valves, medical equipment, automotive assemblies, and decorative artware. Sized from 1 mm to 20 mm in diameter, each 20-piece pack supports multiple projects and repairs.

✅ Diameters: 1-20 mm range; Material: solid copper Cu; Grade: H62/H65; Pack: 20 pcs
✅ Finish: high-purity copper surface suitable for machining and assembly
✅ Applications: machinery, valves, medical devices, automotive parts, decorative artware
✅ Packaging: 20-piece pack for easy stocking and project planning
💡 What is a solid copper ball used for in precision mechanical assemblies? These copper spheres act as reliable contact surfaces, weights for calibration, and handy components in small mechanisms. - Precision spheres for bearing contact and valve components
- Calibration references and weight standards in test rigs
- Handy for crafts, decorative hardware, and art projects
- Sizes 1-20 mm, sold in 20-piece packs for easy stocking
These features help ensure consistent performance and easy integration in a wide range of projects