1m/5m/10m Copper Wire Round Solid Bare 0.3mm/0.4mm/0.5mm-5mm Craft Florist Wire

For wire-wrapping pendants and loops, 0.4mm–0.8mm (26–20 AWG equivalent) gives enough flexibility to form tight coils without snapping. For structural frames or bangles that need to hold shape under light pressure, step up to 1mm–1.5mm. If you're making heavier cuffs or structural components, 2mm–2.5mm provides the rigidity needed while still being hand-formable with round-nose pliers.

Bare copper is well-suited for sheltered outdoor applications such as bonsai training wire, espalier ties, and garden sculpture. Copper naturally develops a patina (verdigris) when exposed to moisture and air, which actually slows further corrosion. For fully exposed, high-UV environments, consider applying a clear lacquer coat after forming if you want to preserve the bright copper appearance long-term.

Yes. Because the surface is bare (uncoated), standard rosin-core or acid-core solder adheres directly. Apply flux to the joint area, heat with a soldering iron or torch appropriate for the gauge, and feed solder as usual. No stripping, sanding, or chemical pre-treatment is required. Heavier gauges (3mm+) will need a higher-wattage iron or a small torch to reach soldering temperature.

The length options let you match quantity to project scale. The 1m length suits single-use applications or sampling a new gauge before committing to more. The 5m coil covers most medium craft or repair jobs. The 10m coil is the most cost-efficient per meter for ongoing projects like floral work, electrical bonding runs, or bulk jewelry production. Note that the 10m option is available in finer gauges (0.3mm–2.5mm), while the 1m option covers the heavier gauges (3mm–5mm).

Stiffness increases with diameter. Fine gauges like 0.3mm–0.6mm are very pliable and can be bent by hand with minimal force — ideal for wrapping and coiling. Mid-range gauges (0.8mm–1.5mm) hold formed shapes well and are used for structural jewelry components and floral stems. Heavy gauges (2mm–5mm) are rigid enough for sculpture armatures, grounding conductors, and load-bearing garden ties, and typically require pliers or a bending jig to form accurately.

Bare copper can transfer a green-grey residue (copper oxide) to skin or porous surfaces when worn or handled for extended periods, particularly in humid conditions. For jewelry worn directly against skin, applying a thin coat of clear nail varnish or jewelry lacquer to the finished piece prevents direct contact. For decorative or structural applications where skin contact is not a factor, no treatment is needed.

Bare solid copper wire is a standard material for grounding and bonding conductors in electrical installations. For any electrical application, select the diameter that meets the current-carrying and mechanical requirements specified by your local electrical code. The heavier gauges (2mm–5mm) are most relevant for grounding runs. Always consult a licensed electrician and verify compliance with applicable standards before using any wire in a live electrical system.