---
product_id: 184242687
title: "20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B)"
brand: "dewalt"
price: "฿19642"
currency: THB
in_stock: true
reviews_count: 13
category: "Dewalt"
url: https://www.desertcart.co.th/products/184242687-20v-max-xr-angle-grinder-with-kickback-brake-slide-switch
store_origin: TH
region: Thailand
---

# Brushless motor - no maintenance Power Loss Reset - safety restart Brake stops wheel <2 sec 20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B)

**Brand:** dewalt
**Price:** ฿19642
**Availability:** ✅ In Stock

## Summary

> ⚙️ Cut fast, stop faster — safety and power in your hands!

## Quick Answers

- **What is this?** 20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B) by dewalt
- **How much does it cost?** ฿19642 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/184242687-20v-max-xr-angle-grinder-with-kickback-brake-slide-switch)

## Best For

- dewalt enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic Control:** Slide switch and included side handle ensure precision handling and comfort during extended use.
- • **Unstoppable Power:** 850W brushless motor delivers long life and zero brush changes for relentless performance.
- • **Instant Safety Stop:** Kickback Brake halts the wheel in under 2 seconds to protect you from sudden bind-ups.
- • **Compact & Lightweight:** At just 3.75 lbs and 12.9 inches long, this grinder fits perfectly in your toolkit for on-the-go jobs.
- • **Smart Restart Protection:** Power Loss Reset prevents accidental restarts after power interruptions—work worry-free.

## Overview

The DEWALT 20V MAX* XR Angle Grinder (DCG405B) is a compact, battery-powered tool featuring a durable brushless motor, a rapid-acting Kickback Brake for enhanced user safety, and Power Loss Reset technology to prevent accidental restarts. Designed for professionals and serious DIYers, it includes ergonomic controls and essential accessories, making it a top-tier grinder for metal cutting and grinding tasks.

## Description

This brushless small angle grinder requires no time changing brushes and offers a long motor life. Part of the PERFORM & PROTECT line of products, this grinder is equipped with Kickback Brake which engages with maximum force to stop the wheel when a pinch, stall, or bind-up is detected. Power Loss Reset prevents accidental restarts following a power disruption when the tool is left in the "on" position.

Review: Awesome product - Awesome hand tool for house hold work. Good Battery backup to complete several task. Performed the task very easy like cutting metal with the disk came at good speed.
Review: Awesome. I love it. - Awesome. A Beast. It will run down your battery quick. So if your gonna do alot o work make sure you have a big battery. This uses more power than mak skill saw. Still a great tool. I aint sorry for buying it.

## Features

- Brake stops wheel in 2 seconds or less on average
- Brushless motor requires no brush changes
- Power Loss Reset prevents accidental restarts following a power disruption when the tool is left in the "on" position
- Includes: (1) DCG405 20V MAX* Grinder (1) Side handle (1) Hex key (1) Inner and outer flange (1) 4.5 in type 27 guard
- Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the grinder and shut the grinder off

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084643WXS |
| Best Sellers Rank | #172,454 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #255 in Power Angle Grinders |
| Brand Name | DEWALT |
| Color | Multi |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,843) |
| Global Trade Identification Number | 00885911677202 |
| Included Components | (1) DCG405 20V MAX* Grinder; (1) Side Handle; Hex Key; (1) Inner and Outer Flange; (1) 4.5 in. Type 27 guard |
| Item Dimensions L x W x H | 12.9"L x 6.3"W x 4.9"H |
| Item Type Name | Grinder |
| Item Weight | 3.75 Pounds |
| Manufacturer | DEWALT |
| Material Type | Blend |
| Maximum Rotational Speed | 9000 rps |
| Model Number | DCG405B |
| Power Source | Battery Powered |
| Style Name | Classic |
| UPC | 885911677202 |
| Unit Count | 1.0 Count |
| Voltage | 20 Volts |
| Wattage | 850 watts |

## Product Details

- **Brand:** DEWALT
- **Material:** Blend
- **Power Source:** Battery Powered
- **Product Dimensions:** 12.9"L x 6.3"W x 4.9"H
- **Style:** Classic

## Images

![20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B) - Image 1](https://m.media-amazon.com/images/I/71-yR1EBNBL.jpg)

## Questions & Answers

**Q: Tiene velocidades ?**
A: Hola. No tiene velocidades. Te recomiendo que compres una batería de x lo menos 5 amp, las mas chicas duran muy poco en esta herramiente xque es muy potente

**Q: Is there an adapter to use 4.5" disks that have a 7/8" auger?**
A: The DCG405B accepts Wheel diameters of 4-1/2" and Spindle Size- 5/8-11. There is no adapter for this item.

**Q: Can the large handle be moved to the other side to allow for left handed people to operate it easily?**
A: No, the handle cannot be move to the other side.

**Q: What does "type 27 guard" mean compared to other listings with "type 1 guard"?**
A: A Type 27 guard is intended for use with depressed center grinding wheels, sanding flap discs, wire wheels and wire cup brushes.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome product
*by M***Y on January 20, 2026*

Awesome hand tool for house hold work. Good Battery backup to complete several task. Performed the task very easy like cutting metal with the disk came at good speed.

### ⭐⭐⭐⭐⭐ Awesome. I love it.
*by M***K on March 10, 2026*

Awesome. A Beast. It will run down your battery quick. So if your gonna do alot o work make sure you have a big battery. This uses more power than mak skill saw. Still a great tool. I aint sorry for buying it.

### ⭐⭐⭐⭐⭐ great product
*by R***R on January 2, 2026*

great product, not to heavy and ease of use without a cord. price is good.

## Frequently Bought Together

- DEWALT 20V MAX* XR Angle Grinder with Kickback Brake, Slide Switch, 4-1/2-Inch, Tool Only (DCG405B)
- DEWALT 4-1/2 Inch Cut-Off Wheel, Angle Grinder Cutting Disc, General Purpose, 5-Pack (DW8062B5)
- DEWALT Grinding Wheel, General Purpose for Metal, 4-1/2-Inch x 1/4-Inch x 5/8-Inch (DW4523)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*