DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
(Tool Only)
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $137 — the 90-day average is $109.40.
All-time low: $69 on Fri Apr 11 (from 182 price checks).
Is This Right For You?
- •Those who want a top-rated option — in the top 20% of Angle Grinders by rating
- •Risk-averse buyers — 6,835+ reviews give a highly reliable picture
- •DEWALT loyalists — the brand spans 320 products in our database
- •Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder offers a better rating (4.8/5) at a similar or lower price ($124)
- •CRAFTSMAN V20* Angle Grinder — 57% cheaper at $59 (Score A)
- •DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless — higher rated at 4.8/5 ($150)
📊 Based on data analysis of 55 products in this category.
Mubboo Score: A
How It Compares
This Product DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder | Most Popular DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless | Best Rated Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder | Best Value CRAFTSMAN V20* Angle Grinder | |
|---|---|---|---|---|
| Price | $137 | $149.99 | $124 | $59 |
| Rating | 4.7/5 | 4.8/5 | 4.8/5 | 4.7/5 |
| Reviews | 6,835 | 9,562 | 3,958 | 2,960 |
| Mubboo Score | A | A- | A- | A |
Quick Specs
- Color
- Yellow
- Style
- 20V MAX Cut-Off Tool
- Voltage
- 20 Volts
- Wattage
- 2000 watts
- Style Name
- 20V MAX Cut-Off Tool
- Item Weight
- 5 Pounds
- Manufacturer
- DEWALT
- Model Number
- DCG412B
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Check whether a spanner wrench and discs are included, as some models ship without them. For cordless grinders, keep a spare battery handy for longer jobs.
- Powerful Performance
- Great Value for Money
- Comfortable and Ergonomic Handling
- Cordless Convenience
- Versatile for Multiple Tasks
- Difficult or Awkward Switch Operation
- Missing Accessories (Wrench, Discs)
- Short Battery Life on Cordless Models
- Poor Quality Included Wheels
Expert Picks in Angle Grinders
- Peugeot Paris u’Select Pepper Mill — Classic design
- OXO Brew 9-Cup Coffee Maker — Programmable drip coffee with convenience features
- Technivorm Moccamaster KBT — Simple drip coffee with superior flavor
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 I Found The Best Angle Grinder — Alec Steele
- 📹 We Tested 7 Best Angle Grinder For Wood, Metal, Concrete [2026 Reviewed] — Tool Junkie
Key Features
- ✦8,000 rpm motor provides high power for cutting and grinding applications for the angle grinder
- ✦DEWALT grinder comes with Quick-Change Wheel Release allowing tool free wheel removal without need for a wrench
- ✦Tool-free guard of the metal grinder allows for quick and easy guard adjustments/positioning
- ✦2-finger trigger switch with lock-off button for convenient activation and easier gripping
- ✦2-position side handle offers greater control, comfort and versatility
Source: product listing on Amazon.
About DEWALT
- 320 products in our database
- Average rating: 4.7/5 across all products
- Price range: $8.99 – $1129
- Categories: Angle Grinders, carpentry-squares, Car Vacuums, Chainsaws, Circular Saws, Cordless Drills
Other Angle Grinders
Featured in Our Reviews
Bottom Line
DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder earns Mubboo Score A. At $137 it's above the 90-day average of $109 — waiting for a dip may pay off. Rated 4.7/5 from 6,835+ reviews. Strong buy if: those who want a top-rated option, risk-averse buyers. Skip if: makita 9557pbx1 4-1/2" paddle switch cut-off/angle grinder offers a better rating (4.8/5) at a — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless (Score A-, $150) may fit better.
Frequently Asked Questions
Is the DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder worth buying in 2026?
It earns a Mubboo Score of A, with a 4.7/5 rating from 6,835 reviews — better than 80% of Angle Grinders we track.
How much does the DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder cost?
It is currently $137. The 90-day average is $109.40 and the all-time low we recorded is $69.
How does the DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder compare to other Angle Grinders?
The category's most-reviewed alternative is the DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless (4.8/5, 9,562 reviews, $149.99). The DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder carries a Mubboo Score of A vs A-.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.