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Finding flat, true-round copper blanks that hold their shape through cutting, stamping, and forming is a constant challenge for jewelers, enamelists, and metal fabricators. These round pure copper disc blanks are cut to consistent diameters and thicknesses, giving makers and DIYers a reliable starting point without the waste of cutting from sheet stock.
Each disc is made from pure copper (C110 equivalent) with a smooth, mill-finished surface. Diameters range from 2" (50mm) to 8" (200mm), and thickness options span 0.8mm to 3.0mm (approximately 0.031" to 0.118"). Discs are supplied in packs of 1 to 5 pieces depending on the variant selected.
Typical applications include copper disc blanks for jewelry making and pendant stamping, enameling base plates for kiln-fired artwork, electrical grounding discs and bus bar blanks, and decorative metalwork such as etched or patinated wall art. Long-tail use cases include copper anode discs for electroplating setups and heat spreader blanks for DIY thermal management projects.
Made from high-conductivity pure copper, offering excellent electrical conductivity, thermal transfer, and natural antimicrobial properties — ideal for both functional and decorative applications.
Available in 2" (50mm), 4" (100mm), 6" (150mm), and 8" (200mm) diameters to suit a wide range of project scales, from small jewelry pendants to large decorative panels.
Select from 0.8mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, or 3.0mm to match your forming, stamping, or structural requirements — from thin flexible sheets to rigid structural discs.
Smooth, clean mill finish on both faces allows for immediate use in stamping, etching, enameling, or polishing without additional surface preparation.
Order in packs of 1, 2, 3, or 5 pieces depending on your project needs — reducing waste and letting you test sizes before committing to larger quantities.
Pure copper anneals easily with a torch, accepts solder and brazing alloys readily, and can be formed, domed, or textured using standard metalsmithing techniques.
| Material | Pure Copper (C110 equivalent) |
|---|---|
| Shape | Round / Circular Disc |
| Available Diameters | 2" (50mm) / 4" (100mm) / 6" (150mm) / 8" (200mm) |
| Available Thicknesses | 0.8mm / 1.0mm / 1.5mm / 2.0mm / 2.5mm / 3.0mm |
| Surface Finish | Mill Finish (smooth, uncoated) |
| Pack Quantity | See variant options |
| Weight per Piece | See variant options |
| Conductivity | High (pure copper) |
| Corrosion Resistance | Moderate — develops natural patina over time; can be sealed or lacquered |
| Workability | Excellent — solderable, brazeable, annealable, stampable |
Match the diameter to your intended use: 2" (50mm) discs suit small pendants, tags, and coin-sized blanks; 4" (100mm) works well for medium coasters, enameling plates, and decorative rounds; 6" (150mm) and 8" (200mm) are suited for larger wall art, heat spreaders, or structural applications. When in doubt, order a single piece in each size to compare before committing.
For stamping and hand-engraving, 0.8mm–1.0mm discs are easiest to work with and allow clean impressions. For doming or forming into 3D shapes, 1.0mm–1.5mm provides enough rigidity while remaining malleable. For structural or wearable pieces that need to hold their shape, 2.0mm or thicker is recommended.
Yes. Pure copper is one of the most commonly used base metals for kiln-fired enamel work. The mill-finished surface should be cleaned with a fine abrasive or pickle solution before applying enamel to ensure proper adhesion. Thicknesses of 1.0mm–1.5mm are typical for enamel work to prevent warping during firing.
Pure copper does not rust (rust is iron oxide), but it will oxidize over time, developing a natural reddish-brown to dark patina. In humid or outdoor environments, it may eventually develop a green patina (verdigris). To preserve the bright copper finish, apply a clear lacquer or wax coating after cleaning. For indoor decorative use, untreated copper develops an attractive aged appearance naturally.
Yes. Pure copper cuts cleanly with tin snips (thinner gauges), a jigsaw with a metal blade, or an angle grinder with a cutting disc. Drilling is straightforward with standard HSS drill bits — use cutting oil and moderate speed to avoid work-hardening. For precise circles or holes, a hole saw or step drill bit works well.
Yes. Pure copper accepts both soft solder (tin-lead or lead-free) and silver brazing alloys readily. Clean the surface with flux before soldering. For torch brazing, use a silver-bearing brazing rod with appropriate flux. Copper's high thermal conductivity means you may need a larger torch tip or longer heat-up time for thicker discs (2.0mm+).
Pack quantity varies by variant — options include 1 Pcs, 2 Pcs, 3 Pcs, and 5 Pcs. Select your preferred quantity from the Amount dropdown when choosing your disc diameter and thickness. Larger packs offer better value per piece for bulk projects.
