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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Get fitment advice & recommendations
When your project demands a material that holds tight tolerances, resists corrosion, and machines cleanly without burring, finding the right brass disc in the exact size you need can be a real challenge. Whether you're a hobbyist machinist, a maker building custom hardware, or a craftsperson working on decorative metalwork, these H62 brass round plate sheets give you a reliable, ready-to-use starting point without the waste of cutting from full sheet stock.
Each disc is cut from H62 grade brass alloy — a copper-zinc composition known for its balance of strength, machinability, and corrosion resistance. Available in diameters from Ø50mm (~2.0 in) to Ø200mm (~7.9 in) and thicknesses from 0.8mm (~0.031 in) to 3mm (~0.118 in), these plates cover a wide range of applications. Pack quantities vary by size to suit both single-piece prototyping and small-batch production runs.
Typical use cases include custom gaskets and spacers for mechanical assemblies, decorative medallions and plaques for woodworking or signage projects, and precision blanks for lathe turning, engraving, or stamping in small workshop environments.
| Material | H62 Brass (Copper-Zinc Alloy) |
|---|---|
| Shape | Round / Disc |
| Diameter Options | Ø50mm / Ø100mm / Ø150mm / Ø200mm |
| Thickness Options | 0.8mm / 1mm / 1.5mm / 2mm / 2.5mm / 3mm |
| Diameter Tolerance | See variant options |
| Thickness Tolerance | See variant options |
| Surface Finish | Mill finish (unpolished) |
| Pack Quantity | 1 / 2 / 3 / 5 / 10 Pcs (varies by size) |
| Hardness | See variant options |
| Tensile Strength | Typically 330–440 MPa (H62 grade range) |
| Machinability | Good — suitable for turning, drilling, and light milling |
| Corrosion Resistance | Good for indoor and light outdoor environments |
For decorative overlays, nameplates, or thin gaskets, 0.8mm–1mm is typically sufficient. For structural spacers, bearing plates, or parts that will be machined on a lathe, 1.5mm–3mm provides better rigidity and more material to work with. If you're unsure, 1.5mm or 2mm is a versatile middle ground for most DIY and workshop applications.
Order a diameter at least 5–10mm larger than your finished part to allow for clamping, chucking in a lathe, or cutting margin. For example, if your finished part is Ø90mm, the Ø100mm disc gives you adequate material to work with.
Yes. H62 brass has a tensile strength typically in the range of 330–440 MPa, making it suitable for light-to-medium mechanical applications such as spacers, standoffs, decorative hardware, and non-load-bearing structural components. It is not recommended for high-stress or high-temperature structural applications.
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 workshop use, decorative projects, or protected mechanical assemblies, the corrosion resistance is generally excellent. If a bright finish is required long-term, a clear lacquer or metal sealant can be applied after machining.
Yes. H62 brass is well-suited for both soft soldering (with standard rosin-core or acid-core solder) and silver brazing. Clean the surface with fine abrasive or flux before joining to ensure a strong bond. Avoid overheating, as excessive heat can cause zinc volatilization in brass alloys.
Yes. H62 brass machines cleanly with standard HSS (high-speed steel) drill bits, end mills, and lathe tools. Use moderate speeds and light cutting fluid or lubricant to extend tool life and achieve a cleaner finish. Avoid very high RPM without lubrication, as brass can grab on drill bits if the cutting edge is not sharp.
Pack quantities vary by size combination. Smaller diameter discs (Ø50mm) are available in larger packs (up to 10 Pcs) for batch projects, while larger diameters (Ø150mm–Ø200mm) are typically sold in single-piece packs. Select your thickness and diameter first, and the available pack quantities will be shown for that combination.