---
product_id: 464465772
title: "Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil"
brand: "dongker"
price: "HK$162"
currency: HKD
in_stock: true
reviews_count: 13
category: "Dongker"
url: https://www.desertcart.hk/products/464465772-enamelled-copper-wire-0-3mm-x-40m-copper-enamelled-wire
store_origin: HK
region: Hong Kong
---

# 0.3mm ultra-fine diameter for precision winding High temperature resistance ensures durability Thin insulating enamel layer for short-circuit protection Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil

**Brand:** dongker
**Price:** HK$162
**Availability:** ✅ In Stock

## Summary

> ⚙️ Wire your way to innovation with flawless copper precision!

## Quick Answers

- **What is this?** Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil by dongker
- **How much does it cost?** HK$162 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/464465772-enamelled-copper-wire-0-3mm-x-40m-copper-enamelled-wire)

## Best For

- dongker enthusiasts

## Why This Product

- Trusted dongker brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe & Sound:** Enamel coating acts as a reliable insulating shield preventing shorts during winding
- • **Built to Last:** High-quality copper core with excellent hardness and heat resistance for long-lasting performance
- • **Precision Perfect:** Ultra-fine 0.3mm diameter wire for intricate DIY motor and transformer projects
- • **Versatile DIY Essential:** Ideal for small generators, speakers, magnetic coils, and detailed circuit repairs
- • **Confidence in Every Coil:** Trusted by pros with 40 meters of premium copper wire and dedicated after-sales support

## Overview

This 0.3mm diameter enamelled copper wire offers 40 meters of high-conductivity copper wrapped in a thin insulating enamel layer, designed for safe, precise winding in motors, transformers, speakers, and DIY electronics. Its heat-resistant, durable construction ensures reliable performance in delicate projects, making it a must-have for professionals and hobbyists alike.

## Description

Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil : desertcart.co.uk: Business, Industry & Science

Review: Running traces - I bought this wire to run and remake traces on PCBs. It works perfectly. The enamel melts when you want it to and insulates well when you don’t. It’s done a great job and I reckon that reel of it will last ages.
Review: Nice copper - This is good quality pure copper wire. Can solder easily.

## Features

- Surface with Insulating Layer:The Copper Wire Covered With A Thin Insulating Layer. the copper strands conduct electricity and the insulating layer protects the windings from short circuits, when soldering, please scrape off the insulating coating on the soldered part, it is very safe.
- High-quality Copper Wire: The 0.3mm Enameled Wire Is Made of High-quality Copper Material With High Conductivity.
- Not Easy to Break:LIt Has High Temperature Resistance,good Hardness and Is Not Easy to Break.
- Widely Used: it Can Be Used in Physical Science Experiments,small Generators,motors,etc.you can use to make small fabrications requiring fine copper wire or to solder relatively small model circuits, which is very useful.
- SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Contact Us.We Will Provide After-sales Service .

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09SHF76CY |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 3,982 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 6 in Copper Wire |
| Colour | black |
| Customer Reviews | 4.6 4.6 out of 5 stars (168) |
| Cutting Diameter | 0.3 Millimetres |
| Date First Available | 15 Feb. 2022 |
| Finish | Polished |
| Grit Description | Medium |
| Item Package Quantity | 1 |
| Item Weight | 30 g |
| Item diameter | 0.3 Millimetres |
| Item model number | 1 |
| Item thickness | 0.3 Millimetres |
| Manufacturer | DONGKER |
| Material | Copper |
| Part number | 1 |
| Shape | Round |
| Size | 0.3 mm |
| Specification met | High quality copper wire |

## Product Details

- **Brand:** DONGKER
- **Colour:** black
- **Finish type:** Polished
- **Material:** Copper

## Images

![Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil - Image 1](https://m.media-amazon.com/images/I/313p84buZuL.jpg)
![Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil - Image 2](https://m.media-amazon.com/images/I/31WkOmcGxqL.jpg)
![Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil - Image 3](https://m.media-amazon.com/images/I/31fdP26rHhL.jpg)
![Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil - Image 4](https://m.media-amazon.com/images/I/413hZSpBMEL.jpg)
![Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil - Image 5](https://m.media-amazon.com/images/I/416CyXzMPNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Running traces
*by I***S on 5 October 2025*

I bought this wire to run and remake traces on PCBs. It works perfectly. The enamel melts when you want it to and insulates well when you don’t. It’s done a great job and I reckon that reel of it will last ages.

### ⭐⭐⭐⭐⭐ Nice copper
*by M***R on 29 June 2025*

This is good quality pure copper wire. Can solder easily.

### ⭐⭐⭐⭐ Copper wire
*by S***N on 26 March 2025*

Good enamelled copper wire.

## Frequently Bought Together

- Enamelled Copper Wire,0.3mm x 40m Copper Enamelled Wire Magnet Winding Wire for DIY Motor Transformer Speaker Magnetic Coil
- Copper Wire, 10mx0.9mm Enameled Magnet Wire, Copper Coil Craft Wire for DIY Craft, Motor, Transformers, Inductors, loudspeakers
- Copper Wire, 0.5mmx10m Magnet Wire Enameled Coil Winding Wire for Electromagnet Motor Transformer Inductor Coil Relay Winding Electroculture

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/464465772-enamelled-copper-wire-0-3mm-x-40m-copper-enamelled-wire](https://www.desertcart.hk/products/464465772-enamelled-copper-wire-0-3mm-x-40m-copper-enamelled-wire)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*