The chain is fine...but I ordered the wrong size. Nine links of the chain I ordered equals six of the size I wanted. My error...
How can I straighten out the springs? I can't use them coil uo as is.
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When your project demands a flat, true-round metal blank that holds tight tolerances, a generic stamped disc simply won't do. Makers, hobbyists, and small-shop fabricators who need reliable H62 solid brass disc blanks can stop searching — these round metal sheets deliver the dimensional accuracy and surface consistency that hand-cut alternatives can't match.
Each disc is machined from H62 brass alloy (approximately 62% copper, 38% zinc), offering a warm golden finish straight from the package. Diameters span 10 mm (≈ 0.39 in) to 300 mm (≈ 11.81 in), and thickness options run from 1 mm (≈ 0.039 in) up to 6 mm (≈ 0.236 in), giving you fine sheet stock for lightweight applications or substantial plate stock for structural uses. Select your quantity — 1, 2, or 4 pieces — to match your exact project needs.
Typical applications include custom engraving blanks and stamping stock for jewelry makers, precision gaskets and shim washers for mechanical assemblies, decorative inlays and hardware accents for woodworking and furniture projects, and electrical contact or heat-sink discs for electronics prototyping where brass conductivity is an advantage.
Made from H62 grade brass (approx. 62% Cu / 38% Zn), balancing machinability, corrosion resistance, and a consistent golden surface finish.
Diameters from 10 mm to 300 mm and thickness from 1 mm to 6 mm let you source the exact blank for sheet-metal work, gaskets, decorative discs, or structural plates.
Each disc is cut to a circular profile with flat faces, reducing prep time for engraving, stamping, or machining operations that require a consistent starting surface.
Brass inherently resists oxidation in typical indoor and light-outdoor environments, making these discs suitable for decorative hardware, gaskets, and electrical contacts without additional coating.
H62 brass machines cleanly with standard tooling and accepts soldering and brazing, making it a versatile choice for both fabrication shops and electronics prototyping benches.
Available in 1, 2, or 4-piece packs so you can order exactly what your project requires — no excess stock, no shortage mid-build.
| Material | H62 Brass Alloy (approx. 62% Cu, 38% Zn) |
|---|---|
| Shape | Round disc / flat circular blank |
| Diameter Range | 10 mm – 300 mm (≈ 0.39 in – 11.81 in) |
| Thickness Range | 1 mm, 1.2 mm, 1.5 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm |
| Surface Finish | Natural brass (golden tone); uncoated |
| Tolerance | See variant options |
| Hardness | See variant options |
| Available Quantities | 1 Pc, 2 Pcs, 4 Pcs |
| Typical Applications | Engraving blanks, gaskets, shim washers, decorative inlays, electrical contacts |
Start with your finished-part dimensions and add material for any machining or finishing allowance. For engraving blanks, match the disc diameter to your design footprint. For gaskets or shims, match the outer diameter to the mating flange and choose a thickness that fills the required gap. Use the variant selectors above to pick your exact Diameter and Thickness combination.
H62 brass has a tensile strength typically in the range of 330–470 MPa, which is lower than mild steel but sufficient for most decorative hardware, gasket, and light structural applications. For high-load structural uses, consult your engineering requirements before selecting brass over steel.
Brass does not rust (rust is iron-oxide specific). H62 brass resists general atmospheric corrosion well in dry and moderately humid indoor environments. In marine or highly acidic environments, brass can develop a patina or dezincification over time. For harsh outdoor or chemical-exposure applications, consider applying a clear lacquer or protective coating.
Yes. H62 brass is compatible with fiber laser engravers and CNC milling with appropriate feeds, speeds, and cutting fluid. For CO₂ laser engravers, brass typically requires a coating (such as Cermark or dry moly lube) to achieve a visible mark. Always verify your machine's material compatibility before processing.
Yes. H62 brass solders and brazes readily using standard brass-compatible fluxes and filler materials. Clean the surface with isopropyl alcohol or a mild abrasive before soldering to remove any surface oxidation and ensure a strong joint.
Thinner discs (1–1.5 mm) are suited for lightweight applications such as engraving tags, decorative inlays, and thin gaskets. Mid-range thicknesses (2–3 mm) work well for structural shims, heavier gaskets, and craft projects requiring more rigidity. Thicker discs (4–6 mm) are appropriate for machined parts, heavy-duty spacers, and applications where the disc itself bears mechanical load.
Order 1 piece for prototyping or single-use projects. Choose 2 pieces when you need a spare or are making a matched pair (e.g., two flanges). Select 4 pieces for small production runs, classroom projects, or when you want extras on hand for future repairs. Pricing scales with quantity, so larger packs offer better per-piece value for smaller diameters.