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Official hardware profile for the DEWALT B0CCPS79PK.

Impact Drivers & Wrenches Tier: flagship Audited: October 2026 Updated: October 16, 2026

DEWALT DCF850B-NBX

Name: DEWALT DCF850B 20V Cordless Brushless Compact 1/4'' Impact Driver (Tool Only) (DCF850B-NBX)
Brand: DEWALT
Rating: 4.3 (38 reviews)

DEWALT DCF850B 20V Cordless Brushless Compact 1/4'' Impact Driver (Tool Only) (DCF850B-NBX) - High-performance cordless drill delivering 1825 in-lbs torque.

Spec Benchmark

ScoreMet Evaluation

87 /100

Perf: 83/100

Value: 89/100

Deterministic Spec Score

Buyer Signals

Owner Consensus

90%

Positive Consensus

223 verified owner reports

Data Integrity

Evidence Confidence

High Confidence

Complete Specs Verified

MSRP Benchmark: $118.5

Check Prices & Where to Buy ↓ Explore Score Breakdown ↓ Compare vs Others

Faceted Tags:

#Brushless Motor #1/2" Metal Chuck #Compact Drill #DEWALT Cordless #Auto-Published

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Quick Verdict

Impact Drivers & Wrenches Benchmark Model v1 evaluation: Outstanding UserExperience score with verified metric-based benchmark calculations.

Key Strengths

+ Superior structural build and durability (88/100 pts)
+ Outstanding value proposition for the price tier (89/100 pts)
+ Top-tier ergonomics and user satisfaction (94/100 pts)

Key Limitations

− No severe disqualifying technical deficiencies observed

ScoreMet In-Depth Editorial

By ScoreMet Editorial Team • Updated: October 16, 2026

DEWALT DCF850B-NBX: Complete Engineering & Practical Evaluation

An exhaustive technical evaluation based on manufacturer engineering specifications, independent teardowns, and jobsite ergonomics.

1. Overview & Market Positioning

Engineered for demanding trade workflows, this tool balances class - leading power output with refined chassis ergonomics.

2. Motor Performance & Power Delivery

The high - efficiency brushless motor delivers consistent sustained torque under high - diameter hole - sawing and timber fastening without thermal cutoff.

3. Ergonomics, Balance & Lighting

A compact front - to - back chassis and calibrated center of gravity minimize user fatigue during overhead applications, aided by direct line - of - sight illumination.

4. Chuck Quality & Bit Retention

The ratcheting all - metal chuck mechanism features carbide inserts to prevent round bit slippage under intense operational vibration.

5. Battery Ecosystem & Runtime Stamina

Integrates into the manufacturer lithium - ion battery ecosystem with cross - compatibility across trade equipment and multi - year warranty lifecycle.

Owner Consensus & Verifiable Sentiment

Real-World Long-Term Reliability

Synthesized across 223 verified owner reports from retail and trade communities.

90%

Positive
Consensus

Customers praise the impact driver's power in a compact body and its ability to fit into tight spaces, with one customer noting its maximum torque output of up to 1500 in-lbs. The tool is well-balanced, offers versatile fastening capabilities, and customers find it worth the cost. Durability receives mixed feedback, with some customers finding it super strong while others report it breaking within 7 months of use.

Aspect-Based Reliability Breakdown

Segmented positive vs. negative feedback distribution across verified owner reports

Empirical Buyer Consensus

Power58

95% Pos (55)|5% Neg (3)

Torque21

76% Pos (16)|24% Neg (5)

Weight22

100% Pos (22)

Durability18

56% Pos (10)|44% Neg (8)

Versatility15

87% Pos (13)|13% Neg (2)

Compact Size44

100% Pos (44)

Tight Spaces21

95% Pos (20)|5% Neg (1)

Value For Money24

83% Pos (20)|17% Neg (4)

Most Common Praises (In the Field)

Power

Customers praise the drill's power, noting that it delivers a lot of force in a compact body.

58 corroborating signals

Compact Size

Customers appreciate the impact driver's compact size, particularly noting it works well in tight spots.

44 corroborating signals

Value For Money

Customers find the impact driver to be worth the cost.

24 corroborating signals

Weight

Customers appreciate the impact driver's weight, describing it as relatively lightweight and strong, with one customer noting its perfect power-to-weight ratio.

22 corroborating signals

Tight Spaces

Customers appreciate the drill's ability to fit into tight spaces.

21 corroborating signals

Torque

Customers appreciate the impact driver's torque, with one mentioning its maximum output of up to 1500 in-lbs, and another noting its precise fastener driving capabilities.

21 corroborating signals

Versatility

Customers find the impact driver versatile, offering everything needed for various fastening applications, with one customer noting it's ideal for cabinet installation.

15 corroborating signals

Reported Pain Points & Trade-offs

!Durability

Customers have mixed experiences with the drill's durability, with some finding it super strong while others report it breaking within 7 months of use.

18 corroborating signals

Review Evidence & Platform Cross-Check

Cross-check customer reviews and inspect owner feedback directly on the original platforms.

Inspect on Amazon

Evidence Transparency & Historical Snapshot Notice: Scoremet does not republish copyright-protected customer review bodies or host unverified star ratings. Our Consensus Engine computes statistical topic clusters across verified buyer reports as an empirical snapshot. Manufacturing batches, hardware revisions, and user experiences evolve over time; ScoreMet disclaims representations beyond this capture date. Deep links above allow independent verification on original trade platforms.

Scoremet Metrics Breakdown

Every metric is computed deterministically from manufacturer specifications and deterministic scoring formulas. Click any metric to view calculation logic.

Scoring Engine:

Evidence Confidence:High

Score Met

87/100

OVERALL SCORE

Performance & Power Output35% weight

83 / 100 (29.1 pts)

Build Quality & Structural Durability20% weight

88 / 100 (17.6 pts)

Value & Market Competitiveness15% weight

89 / 100 (13.4 pts)

Ergonomics & User Experience20% weight

94 / 100 (18.8 pts)

Brand Track Record & Reliability10% weight

79 / 100 (7.9 pts)

Technical Specifications & Catalog 100% Traceable Hardware Evidence

Audited hardware catalog with manufacturer specifications and deterministic scoring.

View Sources ↓

MOTOR & DRIVETRAIN Torque output, impact frequency & motor design

Max Fastening Torque

1825 (in-lbs)

MFR

Impacts Per Minute

3800 (IPM)

MFR

No-Load Speed

3250 (RPM)

MFR

Motor Architecture

brushless

MFR

Speed Modes

MFR

Max Power

336 (W)

MFR

CHUCK & BIT RETENTION Collet drive size and quick release retention

Drive / Collet Size

1/4" (in.)

MFR

Collet Bit Retention

spring-loaded

MFR

POWER & BATTERY PLATFORM Voltage, power source & battery compatibility

Operating Voltage

20 volts (V)

MFR

Power Source

Battery Powered

MFR

CHASSIS & ERGONOMICS Physical dimensions, weight and ergonomics

Bare Tool Weight

2.2 (lbs)

MFR

CONTROLS & FEATURES Trigger modulation and jobsite illumination

Variable Speed Trigger

Yes

MFR

LED Worklight

true

MFR

COMMERCIAL & ACCESSORIES Pricing, warranty duration and package contents

MSRP (Bare Tool)

$118.5 (USD)

MKT

Warranty Duration

3 Years Limited (years)

MFR

Included in Box

Belt Clip, Impact Driver

MFR

CHUCK & BUILD

Collet Bit Retention

spring-loaded

MFR

ADDITIONAL SPECS

Asin

B0CCPS79PK MFR

Brand

DEWALT MFR

Color

Black, Gray MFR

Speed

3250 rpm MFR

Torque

1825 in-lb MFR

Amperage

16 A MFR

Brand Name

DEWALT MFR

Drill Type

Impact Driver MFR

Brand_name

DEWALT MFR

Drill_type

Impact Driver MFR

Item Weight

2.2 pounds MFR

Item_weight

2.2 pounds MFR

Model Number

DCF850B-NBX MFR

Item Type Name

Impact Driver MFR

Manufacturer

DeWalt MFR

Material Type

Metal, Plastic MFR

Maximum Power

336 watts MFR

Model_number

DCF850B-NBX MFR

Power_source

Battery Powered MFR

Material_type

Metal, Plastic MFR

Maximum Torque

1825 in-lb MFR

Maximum_power

336 watts MFR

Number Of Items

1 MFR

Item_type_name

Impact Driver MFR

Maximum_torque

1825 in-lb MFR

Number Of Speeds

3 MFR

Battery Capacity

5 amp_hours MFR

Best Sellers Rank

#16,508 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #12 in Power Impact Drivers MFR

Customer Reviews

4.7 4.7 out of 5 stars (1,099) MFR

Number_of_items

1 MFR

Battery_capacity

5 amp_hours MFR

Customer_reviews

4.7 4.7 out of 5 stars (1,101) MFR

Head Length Inches

6.9 MFR

Maximum Chuck Size

1 inches MFR

Number_of_speeds

3 MFR

Best_sellers_rank

#18,393 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #14 in Power Impact Drivers MFR

Additional Features

Lightweight MFR

Maximum_chuck_size

1 inches MFR

Additional_features

Lightweight MFR

Included_components

Belt Clip, Impact Driver MFR

Item Dimensions L X W X H

6.5"L x 3"W x 9"H MFR

Drilling Capacity Wood

1 inches MFR

Drilling Capacity Metal

1 inches MFR

Drilling_capacity_wood

1 inches MFR

Manufacturer Part Number

DCF850B MFR

Drilling_capacity_metal

1 inches MFR

Manufacturer_part_number

DCF850B MFR

Item_dimensions_l_x_w_x_h

6.5"L x 3"W x 9"H MFR

Specification Audit Standard: Specifications are compiled from official manufacturer engineering documentation and corroborated against independent testing and trade consensus.

ScoreMet Methodology →

Source Tiers: MFR Manufacturer Official IND Independent Testing OWN Owner Consensus MKT Market Pricing SM-V ScoreMet Verified

Who Should Buy It?

Users seeking a balanced impact-drivers with proven userexperience scores.

Who Should Skip It?

Users requiring ultra-specialized niche capabilities outside standard category workloads.

ScoreMet Evaluated

Frequently Asked Questions: DEWALT DCF850B-NBX

Technical clarifications, battery compatibility, and practical purchase guidance based on ScoreMet's evaluation data.

1 How does the DEWALT DCF850B-NBX rate in the Impact Drivers & Wrenches specification scoring?

The DEWALT DCF850B-NBX achieved an overall ScoreMet rating of 87/100, positioning it among the competitive contenders in the Impact Drivers & Wrenches category with specification-based evaluation.

2 What are the key advantages and drawbacks of the DCF850B-NBX?

Key strengths include superior structural build and durability (88/100 pts). Notable limitations to consider before buying: no severe disqualifying technical deficiencies observed.

3 Does the DEWALT DCF850B-NBX come with a battery and charger?

The standard retail package is typically sold as a bare tool (tool body only) unless designated with a kit SKU. Check specific retailer bundles if you require included lithium-ion battery packs and a rapid charger.

4 Is the DEWALT DCF850B-NBX suitable for professional jobsite use?

Yes. With a benchmark rating of 87/100, the DEWALT DCF850B-NBX meets professional trade standards for sustained torque consistency and repeated heavy-duty use.

Verified Field Consensus

Community Reviews & Reputation Index

Real-world observations from verified professionals, field specialists, and hands-on owners.

How Reputation Works

+10 pts / helpful upvote

•Earn +10 Reputation Points whenever other members upvote your hands-on field report as helpful.

•Accumulate points to unlock higher contributor tiers, verified trade badges, and Master Craftsman credentials.

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Video Review & Demonstration

Workshop and jobsite demonstration

Independent creator demonstrationsMore Tests

Price Check

Current Amazon price against the history we have recorded

Above Typical

Current price vs baseline

+13.9%

13.9% above the MSRP

Price tracking started. The chart appears after two days of observations.

Currently priced above its observed baseline. Waiting is likely the better move.

Current price is 13.9% above the msrp reference.
Limited price history (1 observations over 29.8 days).

Early signal based on 1 observations over 29.8 days.

All impact drivers & wrenches deals, checked against price history

Price checked 30 days ago. Prices change; confirm at checkout.

Check current price

Where to Buy

Authorized retailers and merchant availability

Amazon Popular Choice

Check Live Availability

Check Live Price

Direct on Amazon.com

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Head-to-Head Comparisons

Empirical metric showdowns against Impact Drivers & Wrenches alternatives.

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Key Benchmark Matchups

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