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The DEWALT DCG426B is a 20V MAX brushless variable-speed die grinder (tool only) that delivers up to 25,000 RPM for grinding, sanding, and sharpening in tight spaces.
Categories : tools
SKU : WOR-TOO-174
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The DEWALT DCG426B is a 20V MAX brushless variable-speed die grinder built for detail work that larger grinders can't reach. Whether you're deburring metal, smoothing welds, or shaping edges, this cordless die grinder gives you the precision you need without dragging an air hose around.
The brushless motor delivers up to 25,000 RPM, with a variable speed trigger that lets you dial down for controlled finishing. The dual-position rocker switch means you can grip the tool in the most natural position for the job, reducing fatigue during long sessions.
Since the DCG426B is sold as a tool only, it runs on any DEWALT 20V MAX battery. For maximum runtime, a 6Ah battery offers a strong balance of power and weight—while a 9Ah battery extends run time even further for continuous grinding. Smaller batteries (2Ah or 4Ah) are lighter but will drain faster under load, so it's worth planning your battery choice around the task.
LEDs at the nose illuminate the work area, making it easier to see your line. The compact body reaches into tight spots, and the variable speed trigger gives you immediate response for detail work.
Brushless motor maximizes runtime and power efficiency.
Variable speed up to 25,000 RPM for controlled grinding and finishing.
Dual-position rocker switch lets you grip the tool in multiple ways.
LEDs at the nose illuminate the work area.
Compatible with the full DEWALT 20V MAX battery system (tool only).
LED: Yes
Model: DCG426B
Motor: Brushless
Switch: Dual-position rocker switch
Weight: 3.4 lb / 1.54 kg
Voltage: 20V MAX
Warranty: 3-year limited
Max Speed: 25,000 RPM
Dimensions: 10 x 3 x 4 in / 25.4 x 7.6 x 10.2 cm
Product Type: Cordless Die Grinder
Speed Control: Variable speed trigger
Battery Included: No (tool only)
Seller: Workbench World
MPN: DCG426B
The DCG426B shines in detail work: cleaning up weld spatter, deburring edges, and porting engine components. To get the best results, start at a lower speed to establish a clean line, then increase RPM as you build confidence.
If you're deciding between 6Ah and 9Ah batteries, consider the job type. For continuous heavy grinding, the 9Ah reduces downtime and is worth the extra weight. For quick touch-ups in various locations, a 6Ah pack offers better maneuverability and still gives solid runtime.
Keep the collet and nose area clean, and replace worn grinding bits or sanding discs before they become too small to use safely. Periodic cleaning of the vents with compressed air keeps the motor running cool and extends tool life.
Yes, the DCG426B is compatible with every DEWALT 20V MAX battery, from compact 2Ah packs to high-capacity 9Ah batteries.
Higher-amp-hour batteries provide longer runtimes. A 6Ah battery is a great balance of run time and weight, while a 9Ah battery delivers maximum duration at the cost of extra weight.
Yes, with the appropriate grinding or sanding accessory, it can be used for sharpening and shaping metal edges.
Brushless motors are more efficient, so they use battery power more effectively and typically last longer than brushed motors.
Fast and smooth.
This grinder has plenty of speed for cutting and grinding. It's lightweight and easy to control.
I bought this to replace an old corded die grinder. The brushless motor is powerful and efficient. The variable speed is great for different tasks. It's comfortable to hold for extended periods. The only downside is that you need your own battery and charger. But if you have DEWALT 20V batteries, it's a no-brainer. I'm very impressed.
Carves nicely.
It removes material fast. The speed control lets me be precise.
I use this for sharpening tools and grinding welds. It's much easier than a bench grinder for small jobs. The variable speed is a must. The tool is solid and runs quietly. It does eat batteries, but that's expected. I'm happy with it.
Powerful grinder.
I use it with a small bit for polishing. The speed control is excellent. Very happy.
I bought this to clean up some rust on machinery. It works well with a wire wheel. The brushless motor seems to be efficient. It gets hot after long use, but that's normal. The tool is well built. I wish it came with a case.
Worth the money.
