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⚙️ Wire your world with precision and power — don’t get left unconnected!
This 40m spool of 0.3mm enameled copper wire combines high conductivity copper with a thin insulating enamel coating, delivering exceptional durability and heat resistance. Perfectly suited for DIY motor winding, transformers, speakers, and experimental projects, it offers professional-grade performance with reliable insulation to prevent shorts. Backed by strong tensile strength and excellent user reviews, it’s the essential wire for millennial makers and tech-savvy professionals aiming to build with confidence.





























| ASIN | B09SHF76CY |
| Best Sellers Rank | 8,149 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 10 in Copper Wire |
| Brand Name | DONGKER |
| Colour | black |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (174) |
| Finish Type | Polished |
| Grade Rating | Commercial |
| Item Diameter | 0.3 Millimetres |
| Item Form | Spool |
| Item Shape | Round |
| Item Thickness | 0.3 Millimetres |
| Manufacturer | DONGKER |
| Material | Copper |
| Model Number | 1 |
| Number of Items | 1 |
| Part Number | 1 |
| Recommended Uses For Product | Physical science experiments, small generators, motors, coils, transformers, inductance wires, maintenance copper wires, speaker magnetic coils |
| Tensile Strength | 250 Megapascals |
| UPC | 774590131535 |
| Unit Count | 1.0 count |
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