Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
When your project demands a reliable, dimensionally accurate copper blank, settling for inconsistent stock wastes time and money. Whether you are a jeweler, electrician, metalsmith, or DIY fabricator, these solid pure copper discs give you a clean, burr-free starting point in the exact diameter and thickness you need — without the hassle of cutting sheet stock yourself.
Each disc is machined from solid pure copper (typically 99%+ Cu), delivering excellent electrical conductivity, thermal transfer, and workability. Diameters range from 10 mm (approx. 0.39 in) to 300 mm (approx. 11.81 in), and wall thickness options span 1 mm (approx. 0.039 in) to 6 mm (approx. 0.236 in), covering a wide spectrum of applications from delicate jewelry blanks to heavy-duty bus bar discs.
Typical use cases include copper jewelry blanks and stamping discs for artisan metalwork, heat spreader pads for electronics cooling and thermal management, electrical contact discs and grounding pads for switchgear and panel boards, and custom gasket or shim stock for plumbing and mechanical assemblies. Select your diameter, thickness, and quantity above to get exactly what your build requires.
Diameters from 10 mm to 300 mm and thicknesses from 1 mm to 6 mm let you match the exact blank to your project without secondary cutting.
Made from solid pure copper (typically 99%+ Cu), these discs offer low electrical resistance — ideal for bus bars, contact pads, and grounding applications.
Copper's high thermal conductivity makes these discs effective heat spreaders for LED modules, power electronics, and CPU cooling assemblies.
Soft enough to stamp, drill, anneal, and solder with standard tools, yet rigid enough to hold shape under moderate mechanical load.
Each disc arrives with smooth, finished edges — ready for immediate use in jewelry blanking, gasket cutting, or electrical assembly without additional deburring.
Available in 1, 2, or 4-piece packs so you can order exactly what you need — whether prototyping a single part or stocking up for production runs.
| Material | Solid Pure Copper (typically 99%+ Cu) |
|---|---|
| Outer Diameter (OD) | 10 mm – 300 mm (approx. 0.39 in – 11.81 in) |
| Thickness | 1 mm, 1.2 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 6 mm |
| Shape | Round / Disc (flat plate) |
| Surface Finish | See variant options |
| Edge Condition | Smooth, burr-free |
| Electrical Conductivity | See variant options |
| Hardness | See variant options |
| Pack Quantity | 1 Pcs / 2 Pcs / 4 Pcs (see variant options) |
| Application | Jewelry blanks, heat spreaders, electrical contacts, gaskets, shims, metalworking |
Measure the finished part you need and add any allowance for machining, stamping, or edge finishing. For jewelry blanks, select a diameter slightly larger than your desired finished pendant or coin. For heat spreaders, match the OD to your component footprint. Use the Diameter option above to select from 10 mm up to 300 mm.
For light-duty electrical contacts and grounding pads, 1 mm – 2 mm thickness is typically sufficient. For bus bars or high-current applications requiring mechanical rigidity, 3 mm – 6 mm is recommended. Always verify current-carrying capacity against your circuit requirements.
Pure copper naturally develops a patina (oxidation layer) over time when exposed to air and moisture, which actually provides a degree of surface protection. For applications requiring a bright finish or enhanced corrosion resistance, consider applying a clear lacquer or protective coating after installation. Copper is not recommended for direct contact with ammonia-based environments.
Yes. Pure copper solders and brazes readily with standard copper-compatible fluxes and solders (e.g., lead-free silver solder, 60/40 tin-lead). Clean the surface with flux before soldering to remove any oxidation. These discs are also suitable for TIG and MIG welding with appropriate copper filler rods.
Yes. Pure copper is a soft, ductile metal that works well with standard drills, lathes, mills, shears, and stamping presses. Use sharp tooling and moderate speeds to avoid work-hardening. For annealing, heat to approximately 400–600°C and quench in water to restore softness.
Thinner discs (1 mm – 1.5 mm) are ideal for jewelry blanks, decorative stamping, and lightweight shims. Mid-range thicknesses (2 mm – 3 mm) suit heat spreaders, moderate-duty gaskets, and electrical contacts. Thicker discs (4 mm – 6 mm) are suited for structural components, heavy bus bars, and applications requiring significant mechanical strength.
Pack quantities vary by size — smaller diameters are available in 2 or 4-piece packs, while larger diameters are typically sold individually (1 Pcs). Select your preferred Diameter and Thickness first, and the Amount option will reflect the available pack size for that combination.
