DEWALT DCF850B-NBX Impact Review
Our verdict
The DEWALT DCF850B-NBX is a 20-volt MAX bare impact driver priced at $109.99 with a 4.6-star rating from 1,000 reviews and approximately 700 monthly buyers. At 2.16 pounds it is among the lighter 20-volt options in this batch, making it a practical choice for users who prioritize maneuverability on the DEWALT platform.
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DEWALT 20V MAX users who want a compact, lightweight bare impact driver for everyday fastening tasks at under $110
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You need a kit with a battery included, or you need the highest no-load speed available in the 20-volt class
- Power Source Battery Powered
- Voltage 20 Volts
- Amps 16 Amps
- Speed 3280 rph
- Weight 2.16 Pounds
- Dimensions 6.5"L x 3"W x 9"H
- Priced 13% below the category median ($127.00 across 77 tracked models)
Our scorecard
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Owner rating4.6/5
4.6 average across 1,000 owner ratings
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Popularity3.6/5
1,000 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 DCF850B-NBX operates on the 20-volt MAX platform and weighs just 2.16 pounds, which is notably lighter than several DCF845 kit variants in this group. The listed dimensions are 6.5 inches long by 3 inches wide by 9 inches tall, indicating a compact form factor well suited to confined spaces. The -NBX suffix distinguishes this from the standard -B listing.
With 1,000 reviews at 4.6 stars and roughly 700 monthly buyers, the DCF850B-NBX sits comfortably in the mid-tier demand range for bare 20-volt drivers. The 4.6-star rating trails the 4.8-star leaders in this batch but represents solid real-world satisfaction across a meaningful review base.
Based on specs and verified owner reviews, this driver is a strong pick for DEWALT 20V MAX platform users who want a lightweight driver for general fastening and already have batteries on hand. The $109.99 bare-tool price is reasonable relative to the DCF845B at $123.97, making it an alternative worth comparing for those where 2.16 pounds and the compact 9-inch profile matter.
Pros
- 2.16 pounds is among the lightest 20-volt bare tool options in this batch
- Compact at 6.5 inches long and 9 inches tall for tight-space access
- 1,000 reviews at 4.6 stars provides solid confidence for a mid-range driver
- Priced at $109.99, below the DCF845B for budget-conscious M20 users
- About 700 monthly buyers signals consistent real-world demand
Cons
- Bare tool only: requires a 20V MAX battery purchased separately
- 4.6-star rating is the lowest among the 20-volt DEWALT options in this batch
- Amperage spec of 16 amps as listed is atypical and no torque figure is published
Specifications
| Power Source | Battery Powered |
|---|---|
| Voltage | 20 Volts |
| Amps | 16 Amps |
| Speed | 3280 rph |
| Weight | 2.16 Pounds |
| Dimensions | 6.5"L x 3"W x 9"H |
Performance notes
Battery-powered on the DEWALT 20-volt MAX platform. Weight 2.16 pounds. Dimensions 6.5 by 3 by 9 inches. Bare tool only. The listed amperage spec is noted but no torque or no-load RPM figure is confirmed beyond the listed speed data. At 2.16 pounds this is the lightest 20-volt bare option in the batch, appropriate for overhead work and confined-space fastening.
What buyers say
Owners are largely positive about the compact feel and weight, with many comparing it favorably to heavier kit drivers when working in tight spots. The 4.6-star average reflects a small share of buyers who note minor concerns around grip texture or output consistency. Overall sentiment matches the mid-range rating: a reliable everyday tool without being the standout performer at any specific spec.
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Frequently asked questions
How does the DEWALT DCF850B-NBX compare to the DCF845B?
Both are bare 20V MAX impact drivers. The DCF850B-NBX weighs 2.16 pounds and is priced at $109.99, while the DCF845B weighs 1 kilogram (approximately 2.2 pounds) and is priced at $123.97. The DCF845B has a significantly larger review base at 12,700 vs 1,000, offering more buyer confidence.
Does the -NBX designation mean this driver comes with anything extra?
The -NBX suffix typically indicates a bundle or packaging variation from the standard listing. Based on the available data this is still a bare tool. Confirm kit contents at point of purchase.
Contact ToolGalaxy at hello@toolgalaxy.com if you need help comparing DEWALT bare tool options.
Our editors can match you to the right DCF driver variant based on your battery inventory and project type.