---
product_id: 724504172
title: "WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm"
brand: "weldingcity"
price: "₩115072"
currency: KRW
in_stock: true
category: "Welding City"
url: https://www.desertcart.kr/products/724504172-weldingcity-20-pcs-electrical-discharge-machine-edm-drilling-electrode-tubes
store_origin: KR
region: South Korea
---

# Precision EDM brass electrodes 400mm length for deep drilling 20-piece bulk pack for efficiency WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm

**Brand:** weldingcity
**Price:** ₩115072
**Availability:** ✅ In Stock

## Summary

> ⚙️ Drill deeper, faster, and smarter with WeldingCity’s precision EDM electrodes!

## Quick Answers

- **What is this?** WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm by weldingcity
- **How much does it cost?** ₩115072 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/724504172-weldingcity-20-pcs-electrical-discharge-machine-edm-drilling-electrode-tubes)

## Best For

- weldingcity enthusiasts

## Why This Product

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

## Key Features

- • **Bulk 20-piece pack:** Stay ahead on projects with ample supply, minimizing downtime.
- • **Extended 400mm length:** Perfect for deep, consistent hole-popping in EDM applications.
- • **Versatile diameter options:** From 0.3mm to 3.0mm, tailor your drilling to exact project needs.
- • **Trusted U.S.-based supplier:** Benefit from expert technical support and reliable customer service.
- • **Precision-engineered brass electrodes:** Achieve ultra-fine, single-channel holes with unmatched accuracy.

## Overview

WeldingCity’s 20-piece brass EDM electrode tubes deliver precision single-channel holes with lengths of 400mm and diameters ranging from 0.3mm to 3.0mm. Designed for efficient hole-popping in electrical discharge machining, these premium electrodes balance speed and accuracy, backed by U.S.-based technical support for professional-grade performance.

## Description

Premium quality electrical discharge machining (EDM, also known spark machining) tube electrodes (brass) with single channel hole. 20-pcs per package.

## Features

- Premium quality electrical discharge machining (EDM, also known spark machining) tube electrodes (brass) with single channel hole. 20-pcs per package.
- Single hole (channel) brass copper electrode tubes. Tube length: 400mm; outer diameters: 0.3mm, 0.5mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm and 3.0mm available.
- Use in hole-popping EDM machines to create small holes, including pilot holes to run EDM wire through.
- Brass electrodes with single hole are best and faster for creating through holes but wearing out quicker than copper electrodes.
- U.S. based welding and hardware supplier. Strong technical support with experienced customer service to address buyer's any question.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BT1JJRNR |
| Best Sellers Rank | #725,432 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9,811 in Power Tool Replacement Parts |
| Date First Available | January 25, 2023 |
| Item Package Quantity | 20 |
| Item Weight | 13.8 ounces |
| Manufacturer | WeldingCity.com |
| Material | Brass |
| Part Number | CVI-EDMTUBE1BR400-30 |
| Product Dimensions | 15.75 x 0.12 x 0.12 inches |
| Shape | Straight |
| Size | 3.0 x 400 mm |

## Images

![WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm - Image 1](https://m.media-amazon.com/images/I/21VfHLCNbkL.jpg)
![WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm - Image 2](https://m.media-amazon.com/images/I/31W4107OetL.jpg)
![WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm - Image 3](https://m.media-amazon.com/images/I/31tXEA9YJuL.jpg)
![WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm - Image 4](https://m.media-amazon.com/images/I/41V9vOOfnIL.jpg)
![WeldingCity 20-pcs Electrical Discharge Machine (EDM) Drilling Electrode Tubes Brass Single Channel Hole 400 x 3.0mm - Image 5](https://m.media-amazon.com/images/I/41dw4D4c+zL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.kr/products/724504172-weldingcity-20-pcs-electrical-discharge-machine-edm-drilling-electrode-tubes](https://www.desertcart.kr/products/724504172-weldingcity-20-pcs-electrical-discharge-machine-edm-drilling-electrode-tubes)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-19*