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When your project demands a flat, burr-free metal circle that can be drilled, stamped, engraved, or machined without warping, sourcing the right blank is half the battle. Hobbyists, jewelers, machinists, and fabricators alike struggle to find brass discs that are truly flat, dimensionally consistent, and available in the exact diameter and thickness they need — without ordering a full sheet and cutting it themselves. These H62 solid brass disc blanks solve that problem directly.
Each disc is cut from H62 brass alloy — a copper-zinc alloy known for its balance of machinability, corrosion resistance, and warm golden appearance. Discs are available in outer diameters from 50 mm (approx. 1.97 in) to 300 mm (approx. 11.81 in), and in thicknesses ranging from 0.3 mm (approx. 0.012 in) to 5 mm (approx. 0.197 in). Quantity options of 1 or 2 pieces per order let you test a size before committing to larger quantities.
Typical use cases include: crafting custom gaskets and shim washers for plumbing or mechanical assemblies; stamping or engraving decorative medallions, pendants, and name tags; and serving as precision blanks for lathe turning, CNC milling, or electrical contact fabrication where consistent thickness and flat surfaces are critical.
| Material | H62 Brass (Copper-Zinc Alloy) |
|---|---|
| Shape | Round disc / blank |
| Outer Diameter (OD) | 50 mm – 300 mm (1.97 in – 11.81 in) |
| Thickness | 0.3 mm – 5 mm (0.012 in – 0.197 in) |
| Surface Finish | Mill finish (natural brass, uncoated) |
| Machinability | Good — suitable for drilling, turning, milling, and stamping |
| Corrosion Resistance | Moderate — suitable for indoor and light outdoor use |
| Solderability | Compatible with standard flux and silver or lead-free solder |
| Quantity per Order | See variant options |
| Weight | See variant options |
Start with your finished part size and add a small margin for machining or trimming — typically 2–5 mm on the diameter. For thickness, choose the nearest standard size that meets or slightly exceeds your required finished thickness. Thinner discs (0.3–0.5 mm) suit decorative, shim, or gasket applications; mid-range (1–2 mm) work well for engraving blanks and light structural parts; thicker discs (3–5 mm) are suited for lathe turning, heavy stamping, or load-bearing components.
H62 brass has a tensile strength typically in the range of 330–420 MPa, making it suitable for light-to-moderate mechanical applications such as bushings, spacers, contact plates, and decorative hardware. It is not recommended for high-stress structural applications where steel or bronze would be more appropriate. For gaskets, shims, electrical contacts, and craft components, H62 brass performs reliably.
H62 brass does not rust (it contains no iron), but it can develop a natural patina or tarnish when exposed to air and moisture over time. For indoor applications, the natural surface is generally stable. For outdoor or humid environments, applying a clear lacquer or wax coating will significantly extend the appearance and surface life. The alloy also resists most mild acids and common chemicals encountered in household and light industrial settings.
Yes. H62 brass solders readily using standard rosin or acid flux with silver solder or lead-free solder. It can also be brazed using brass or silver brazing alloys. Fusion welding (MIG/TIG) is possible but requires appropriate filler wire and shielding gas; for most DIY and craft applications, soldering or brazing is the preferred joining method. Always clean the surface with flux before soldering to ensure a strong bond.
Yes. H62 brass machines cleanly with standard HSS (high-speed steel) or carbide drill bits, end mills, and lathe tools. Use moderate speeds and feeds with cutting fluid or lubricant to prevent work-hardening and achieve a clean finish. The material is forgiving for hobbyist-level equipment and also performs well on professional CNC machinery. Avoid excessive heat buildup, which can cause discoloration.
The quantity option refers to how many discs are included in a single order for the selected diameter and thickness combination. Choosing "1 Pcs" delivers one disc; "2 Pcs" delivers two discs of the same specification. The 2-piece option is useful when you need a spare, are making a matched pair of parts, or want to practice machining on one before finishing the other.
Thin discs (0.3–0.5 mm) are ideal for applications where flexibility, low weight, or minimal stack height matters — such as shim washers, gaskets, decorative overlays, or jewelry blanks. Thicker discs (3–5 mm) provide rigidity and material depth for turning on a lathe, deep engraving, heavy stamping, or use as structural spacers and contact pads. Mid-range thicknesses (1–2 mm) offer a balance suitable for most general-purpose craft and light engineering tasks.
