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When your project demands a reliable, consistently sized copper disc that machines cleanly and conducts without compromise, generic sheet offcuts simply fall short. Whether you are a jeweler stamping custom pendants, an electrician fabricating bus bar contacts, or a maker building heat spreaders for electronics, these solid pure copper disc blanks give you a ready-to-use starting point with no further cutting required.
Each disc is cut from solid pure copper (typically 99%+ Cu) and is available in thickness options from 0.5 mm to 5 mm (approx. 0.020″ to 0.197″) and diameter options from 1 mm to 200 mm (approx. 0.039″ to 7.87″). The flat, round form arrives with clean edges suitable for immediate use or light finishing. Variants are sold individually; select your exact thickness × diameter combination from the options above.
Typical applications include copper disc blanks for jewelry making and metal stamping, round copper plate for electrical contact fabrication, copper heat spreader discs for DIY electronics cooling, and copper blanks for enameling, etching, and craft projects requiring a pure copper substrate.
Made from solid pure copper (typically 99%+ Cu), delivering excellent electrical conductivity, thermal conductivity, and corrosion resistance for demanding applications.
Available in thickness from 0.5 mm to 5 mm and diameter from 1 mm to 200 mm — covering miniature jewelry blanks through large industrial disc formats in a single product listing.
Pre-cut to a circular disc shape with clean edges, saving you the time and waste of cutting from sheet stock. Suitable for immediate use or light edge finishing.
Pure copper's inherent conductivity makes these discs ideal for electrical contacts, bus bar components, grounding pads, and heat spreader applications in electronics.
Copper's ductility allows drilling, turning, stamping, engraving, soldering, and brazing without cracking — compatible with standard metalworking tools and processes.
From jewelry enameling and metal stamping to industrial contact fabrication and DIY electronics, these copper disc blanks serve a broad range of creative and technical applications.
| Material | Solid Pure Copper (typically 99%+ Cu) |
|---|---|
| Shape | Round disc / circular blank |
| Thickness Range | 0.5 mm – 5 mm (approx. 0.020″ – 0.197″) |
| Diameter Range | 1 mm – 200 mm (approx. 0.039″ – 7.87″) |
| Surface Finish | See variant options |
| Tolerance | See variant options |
| Hardness | See variant options |
| Packing Quantity | 1 piece per order (select quantity variant if available) |
| Condition | Brand new |
Select the thickness (0.5 mm–5 mm) based on the structural or conductive requirements of your application — thinner discs suit jewelry and light stamping, while thicker discs are better for electrical contacts and heat spreaders. Choose the diameter closest to your finished part size, leaving a small allowance if you plan to machine or file the edge. All size options are listed in the variant selector above.
Pure copper is highly ductile and malleable. Thinner discs (0.5 mm–1.5 mm) can be domed, dapped, or bent with standard jewelry and metalworking tools without cracking. Thicker discs (2 mm–5 mm) are more rigid and better suited to machining, drilling, or use as flat components rather than forming.
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, the surface can be polished and sealed with a lacquer or wax. For electrical contact applications, the conductivity remains effective even with light surface oxidation.
Yes. Pure copper's electrical conductivity (typically around 58 MS/m) makes these discs well-suited for electrical contact pads, grounding discs, and bus bar components. Ensure the disc thickness and diameter match your current-carrying and mechanical requirements. For high-voltage or safety-critical applications, always verify material certification with your supplier.
Absolutely. These copper disc blanks are a popular choice for jewelry makers — they can be stamped, engraved, etched, enameled, or textured with standard jewelry tools. Thinner variants (0.5 mm–1 mm) are ideal for pendants and charms, while 1.5 mm–2 mm discs work well for heavier statement pieces or components requiring more rigidity.
Choose a diameter that matches or slightly exceeds your finished part size. If you plan to drill, file, or machine the edge, add 1–3 mm to your target diameter. For heat spreader applications, match the disc diameter to the component footprint you need to cover. All available diameter options for each thickness are listed in the variant selector above.
These discs are compatible with hand tools (files, drills, jeweler's saws), CNC milling and turning, laser engraving, soldering, brazing, electroplating, and chemical etching. Use copper-compatible cutting fluids when machining thicker discs to extend tool life and achieve a cleaner finish.
