Solid Bare Copper Wire (0.2–5mm) — Reliable Conductor for Winding, Cabling & Brush Applications When a project demands a conductor that holds its shape, carries current cleanly, and cuts to any length without waste, solid bare copper wire is the go-to choice for electricians, coil winders, and fabricators. Whether you are rewinding a motor, building a custom brush assembly, or fabricating a short cable run, inconsistent wire diameter or impure copper can introduce resistance and failure points that are hard to trace later. This solid bare copper wire is drawn from high-conductivity copper and finished in a rose gold colour coat. Diameter options run from 0.2 mm (≈ 0.008 in) up to 5 mm (≈ 0.197 in), covering fine winding gauges through to heavier structural conductors. Pack sizes range from 1 m single-length samples up to 1 kg spools, letting you order exactly what the job requires. Typical use cases include air-conditioning unit wiring repairs, transformer and inductor coil winding, custom wire brush fabrication for surface preparation, and short-run cable assembly work where a solid-core conductor is specified. The consistent round cross-section also suits jewellery-making and craft wire forming where dimensional accuracy matters. ⚡ Suitable for air-conditioning wiring, transformer winding, brush manufacturing, and general cable fabrication. Verify current rating against your application before use. ✅ Key Features of These Solid Bare Copper Wires 🔩 Wide diameter range — 0.2 mm through 5 mm (approx. 0.008–0.197 in) covers fine winding gauges to heavier structural conductors in a single product line. 🎨 Rose gold colour finish — the bare copper surface carries a rose gold tone that makes polarity identification and aesthetic wire-wrap projects easier to manage. 📏 Flexible pack sizes — choose 1 m, 2 m, 5 m, 10 m, 15 m, or 1 kg spool to match project scale and reduce off-cut waste. ⚙️ Solid round cross-section — single-strand construction maintains shape when formed or bent, making it suitable for coil winding, brush tufting, and rigid conductor runs. 🔌 Copper conductor and insulation material — bare copper construction delivers low resistivity and good thermal conductivity for electrical and heat-transfer applications. ✂️ Cut-to-length convenience — sold in defined meter lengths or by weight, so you can match the quantity to the job without committing to a full reel. 📐 Technical Specifications — Solid Bare Copper Wire Material Copper (bare, uninsulated) Wire Style Solid (single-strand) Cross-section Round Diameter Range 0.2 mm – 5 mm (approx. 0.008 – 0.197 in) Colour / Finish Rose Gold Available Pack Sizes 1 m, 2 m, 5 m, 10 m, 15 m, 1 kg Conductor Material Copper Current Rating See variant options — depends on diameter and application Suitable Applications Air conditioning wiring, coil winding, brush fabrication, cable manufacture Item Length See variant options (arbitrary cut lengths available) Brand Goobetter ❓ Frequently Asked Questions How do I choose the right diameter for my coil winding project? The correct diameter depends on the target inductance, the number of turns, and the current the coil must carry. Finer gauges (0.2–0.5 mm) suit high-turn-count inductors and transformers where space is limited. Heavier gauges (1–5 mm) are used where lower resistance and higher current capacity are needed. Cross-reference your design specification with a wire gauge current-capacity table before ordering. Is this wire strong enough for brush-making applications? Solid copper wire in the 0.5–2 mm range is commonly used for wire brush tufts in light-duty surface preparation and cleaning brushes. Copper is softer than steel, so it is suited to non-ferrous surfaces where steel bristles would cause contamination or scratching. For abrasive industrial brushes, confirm the required tensile strength against your application before selecting a diameter. Does bare copper wire corrode, and how should I store it? Bare copper oxidises when exposed to air and moisture, forming a patina that can increase surface resistance over time. For electrical applications where low contact resistance matters, store unused wire in a sealed bag or airtight container away from humidity. The rose gold colour coat on this wire provides a degree of surface protection, but it is not a full insulating or anti-corrosion coating. Can I use this wire for air-conditioning unit repairs? This wire is listed as suitable for air-conditioning applications. However, any electrical repair must comply with local wiring regulations and be carried out by a qualified technician. Verify the required conductor cross-sectional area (mm²) for your specific circuit load before selecting a diameter, and ensure the wire is rated for the operating voltage of the system. What is the difference between the meter packs and the 1 kg spool? Meter packs (1 m, 2 m, 5 m, 10 m, 15 m) are cut lengths suited to small repairs, prototyping, or projects where you need a precise quantity. The 1 kg spool provides a larger continuous length whose exact meter count varies by diameter — thinner wire yields more meters per kilogram than thicker wire. The 1 kg option is more economical for production runs or repeated use of the same gauge. Is this wire compatible with jewellery-making and craft wire-wrapping? Yes. The solid round cross-section and rose gold finish make finer gauges (0.2–1 mm) well suited to wire-wrapping, coiling, and forming decorative shapes. Copper is easy to work with hand tools and holds formed shapes without springback issues common in harder metals. The rose gold tone also complements warm-toned jewellery designs without requiring additional plating. How do I calculate how many meters are in a 1 kg pack for my chosen diameter? The length per kilogram depends on the wire's cross-sectional area and the density of copper (approximately 8.96 g/cm³). As a rough guide: 0.5 mm diameter wire yields roughly 570 m/kg, 1 mm wire yields roughly 140 m/kg, and 2 mm wire yields roughly 35 m/kg. For precise calculations, use the formula: Length (m) = 1000 g ÷ (π × (d/2)² × 8.96), where d is diameter in mm. 🛒 Select your Calibre (MM), Pack Size, and Colour above, then add to cart. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How do I choose the right diameter for my coil winding project?", "acceptedAnswer": { "@type": "Answer", "text": "The correct diameter depends on the target inductance, the number of turns, and the current the coil must carry. Finer gauges (0.2–0.5 mm) suit high-turn-count inductors and transformers where space is limited. Heavier gauges (1–5 mm) are used where lower resistance and higher current capacity are needed." } }, { "@type": "Question", "name": "Is this wire strong enough for brush-making applications?", "acceptedAnswer": { "@type": "Answer", "text": "Solid copper wire in the 0.5–2 mm range is commonly used for wire brush tufts in light-duty surface preparation and cleaning brushes. Copper is softer than steel, so it is suited to non-ferrous surfaces where steel bristles would cause contamination or scratching." } }, { "@type": "Question", "name": "Does bare copper wire corrode, and how should I store it?", "acceptedAnswer": { "@type": "Answer", "text": "Bare copper oxidises when exposed to air and moisture, forming a patina that can increase surface resistance over time. Store unused wire in a sealed bag or airtight container away from humidity. The rose gold colour coat provides a degree of surface protection but is not a full insulating or anti-corrosion coating." } }, { "@type": "Question", "name": "Can I use this wire for air-conditioning unit repairs?", "acceptedAnswer": { "@type": "Answer", "text": "This wire is listed as suitable for air-conditioning applications. Any electrical repair must comply with local wiring regulations and be carried out by a qualified technician. Verify the required conductor cross-sectional area for your specific circuit load before selecting a diameter." } }, { "@type": "Question", "name": "What is the difference between the meter packs and the 1 kg spool?", "acceptedAnswer": { "@type": "Answer", "text": "Meter packs (1 m, 2 m, 5 m, 10 m, 15 m) are cut lengths suited to small repairs or prototyping. The 1 kg spool provides a larger continuous length whose exact meter count varies by diameter. The 1 kg option is more economical for production runs or repeated use of the same gauge." } }, { "@type": "Question", "name": "Is this wire compatible with jewellery-making and craft wire-wrapping?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. The solid round cross-section and rose gold finish make finer gauges (0.2–1 mm) well suited to wire-wrapping, coiling, and forming decorative shapes. Copper is easy to work with hand tools and holds formed shapes without springback issues common in harder metals." } }, { "@type": "Question", "name": "How do I calculate how many meters are in a 1 kg pack for my chosen diameter?", "acceptedAnswer": { "@type": "Answer", "text": "The length per kilogram depends on the wire's cross-sectional area and the density of copper (approximately 8.96 g/cm³). As a rough guide: 0.5 mm diameter wire yields roughly 570 m/kg, 1 mm wire yields roughly 140 m/kg, and 2 mm wire yields roughly 35 m/kg." } } ] }
