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When your project demands a clean, flat, burr-free metal circle and you can't afford to waste time cutting and filing raw sheet stock, these round brass disc blanks are the answer. Makers, jewelers, engravers, and fabricators who need consistent geometry across multiple pieces will find these discs a reliable starting point for everything from pendant blanks to gasket prototypes.
Each disc is cut from solid brass sheet stock. Diameters range from 2" (50mm) to 8" (200mm), and thickness options span 0.8mm to 3.0mm (approximately 1/32" to 1/8"), giving you the flexibility to match the structural requirements of your specific application. The flat, smooth face is ready for further machining, stamping, etching, or finishing without additional prep work.
Typical use cases include hand-stamped jewelry disc blanks for artisan makers, custom engraved medallions and tags, shim and spacer stock for mechanical assemblies, decorative inlay circles for woodworking, and prototype gasket blanks for light-duty fluid or air sealing applications.
| Material | Brass alloy (copper-zinc) |
|---|---|
| Shape | Round / Circular disc |
| Available Diameters | 2" (50mm) / 4" (100mm) / 6" (150mm) / 8" (200mm) |
| Available Thickness | 0.8mm / 1.0mm / 1.5mm / 2.0mm / 2.5mm / 3.0mm |
| Surface Finish | Mill finish, smooth face — ready for further processing |
| Edge Condition | Clean-cut, typically smooth — minor deburring may be required for thicker grades |
| Colour | Warm gold / yellow brass |
| Hardness | See variant options |
| Temper | See variant options |
| Weight per Piece | See variant options |
| Pack Quantity | 1 / 2 / 3 / 5 / 10 pcs (select above) |
The 2" (50mm) disc is the most popular choice for pendant and charm blanks — it's large enough to stamp or engrave a meaningful design while remaining wearable. The 4" (100mm) disc suits larger statement pieces or wall-hung decorative medallions. If you're unsure, start with the 2" option in a multi-pack to test your stamping or engraving setup before committing to larger sizes.
Brass has good compressive strength and is commonly used for shims, spacers, and light-duty gaskets in mechanical assemblies. The 2.0mm, 2.5mm, and 3.0mm thickness options are well-suited for structural shim applications. For high-load or high-temperature environments, consult your engineering specifications to confirm brass is the appropriate alloy for your use case.
Brass offers moderate natural corrosion resistance, particularly against moisture and mild atmospheric exposure. It is not suitable for prolonged contact with strong acids, ammonia-based compounds, or salt-spray environments without a protective coating. For outdoor or marine applications, applying a clear lacquer or wax finish will significantly extend the surface life of the disc.
Yes. Brass is one of the most engraver-friendly metals available. It works well with rotary engravers, laser engravers (CO₂ and fiber), hand stamps, and chemical etching. Thinner grades (0.8mm–1.0mm) are ideal for hand stamping and laser work. Thicker grades (1.5mm–3.0mm) are better suited for CNC routing, rotary engraving, and applications where rigidity matters.
Use 0.8mm–1.0mm for lightweight jewelry, tags, and decorative applications where flexibility is acceptable. Choose 1.5mm–2.0mm for stiffer blanks that hold their shape under stamping pressure or when used as structural inlays. Select 2.5mm–3.0mm for mechanical shims, heavy-duty gaskets, or projects requiring significant rigidity and weight. When in doubt, the 1.5mm grade is a versatile middle-ground option.
If you're testing a new design or need a single replacement piece, the 1pcs option keeps your cost low. For production runs, craft workshops, or projects requiring multiple identical discs, the 2, 3, 5, or 10-piece packs offer better value per disc. The 10pcs pack of the 2" size is particularly popular for jewelry makers who stamp or engrave in batches.
Absolutely. Brass machines easily with standard HSS drill bits, hole saws, and metal-cutting blades. Use a cutting fluid or lubricant when drilling thicker grades (2.0mm+) to extend tool life and achieve cleaner holes. The discs can also be shaped with metal snips (thinner grades), bench shears, or a scroll saw fitted with a metal-cutting blade.
