DEWALT DCG426B Grinder Review
Our verdict
The DEWALT DCG426B is the standout seller in this category, backed by 2,636 reviews at 4.8 stars and 500 units purchased last month. At $140.00 for a 20V cordless tool running 25000 RPM at 3 lbs, it offers a compelling mix of price, performance, and proven owner confidence.
Check price on AmazonBest for
DEWALT 20V MAX battery platform owners who want the most popular, highly rated cordless die grinder available right now
Skip if
You are not in the DEWALT 20V ecosystem, or need corded or air-powered output for production grinding
- Power Source Cordless
- Voltage 20 Volts
- Speed 25000 RPM
- Weight 3 Pounds
- Dimensions 17 x 10 x 5 inches
- Priced 64% above the category median ($85.49 across 39 tracked models)
Our scorecard
-
Owner rating4.8/5
4.8 average across 2,636 owner ratings
-
Popularity5.0/5
2,636 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other power tools and workshop machinery we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The DEWALT DCG426B runs on the DEWALT 20V MAX battery platform (tool only, no battery included) and delivers 25000 RPM in a 3-lb body measuring 17 x 10 x 5 inches. Among all the die grinders in this batch, no other model comes close to its combination of review volume and buyer satisfaction: 2,636 reviews at 4.8 stars is a dominant signal.
With 500 units sold last month, the DCG426B is not just well-reviewed historically but actively moving in the current market, which means ongoing owner feedback reflects real conditions. At $140.00 it is priced competitively for a cordless die grinder from a major power tool brand.
Cordless operation at 25000 RPM covers the full spectrum of common die grinding tasks: weld clean-up, deburring, porting, and surface prep. The 3-lb weight is moderate for a cordless grinder and lighter than the corded DEWALT DWE4887 at 4.74 lbs, making it easier to maneuver one-handed or in overhead positions.
Pros
- 4.8-star rating from 2,636 reviews is the strongest buyer signal in this entire batch
- 500 units purchased last month confirms current, widespread demand
- 25000 RPM on a 20V cordless platform handles the full range of die grinding work
- 3 lbs is a practical weight for cordless one-handed use
- $140.00 is competitive for a brand-name cordless die grinder
Cons
- Tool only: DEWALT 20V MAX battery and charger sold separately, raising total entry cost
- Dimensions of 17 x 10 x 5 inches make it the largest tool in the batch
- Owners outside the DEWALT 20V platform get no battery compatibility benefit
Specifications
| Power Source | Cordless |
|---|---|
| Voltage | 20 Volts |
| Speed | 25000 RPM |
| Weight | 3 Pounds |
| Dimensions | 17 x 10 x 5 inches |
Performance notes
Power source: cordless, 20V. Speed: 25000 RPM. Weight: 3 lbs. Dimensions: 17 x 10 x 5 inches. The 20V platform provides robust power delivery at 25000 RPM. The 3-lb weight sits between the lightest and heaviest options in this category, making it manageable for both bench work and field use. Cordless design removes cord and air-line restrictions entirely.
What buyers say
Owner sentiment on the DEWALT DCG426B is overwhelmingly positive. Buyers consistently cite the smooth, consistent speed, the freedom from cords, and strong build quality as primary positives. The main critique across reviews is the tool-only pricing, which catches some buyers off guard when they expect a battery in the box.
Similar power tools and workshop machinery to consider
Featured in
Frequently asked questions
Does the DEWALT DCG426B come with a battery?
No. The DCG426B is a bare tool. It requires a DEWALT 20V MAX battery (sold separately). If you already own DEWALT 20V tools, you can use your existing batteries.
What collet size does the DEWALT DCG426B accept?
The published specs do not list a collet size. Refer to the DEWALT product page or contact hello@toolgalaxy.com for accessory compatibility details.
How does the DCG426B compare to the Makita XDG01Z?
Both are cordless die grinders running 25000 RPM. The DCG426B at $140 costs significantly less than the Makita XDG01Z at $234, is lighter at 3 lbs versus 4 lbs, and has far more reviews: 2,636 versus 264.