Battery-flexible high output
It runs on 20V MAX packs while a FLEXVOLT pack enables the documented higher-power comparison.
DeWalt
DCD999B 20V MAX XR Hammer Drill/Driver with FLEXVOLT Advantage
A three-speed brushless half-inch hammer drill that accepts 20V MAX batteries and unlocks DeWalt's higher-output claim with FLEXVOLT packs.
- Score
- 7.5/10
- Est. life
- 12 yrs
- Cover
- 3 yrs
Last-known catalog price
$199.99
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Product Overview
DeWalt's DCD999B is the tool-only FLEXVOLT Advantage hammer drill/driver. It works with ordinary 20V MAX packs, but DeWalt's up-to-42-percent-more-power claim specifically compares a DCB606 FLEXVOLT battery with a DCB205 5 Ah pack. The three-speed transmission reaches 2,000 rpm and 38,250 bpm, and t...
$199.99
In Stock
Specifications
- OverviewBrand
- DeWalt
- OverviewProduct category
- cordless-drills-and-drivers
- OverviewModel
- DCD999B, bare tool
- OverviewExpected lifespan
- 12 years · We Buy It For Life editorial estimate
- Warranty & ServiceWarranty
- 36 months · Warranty
Why We Love It
The features that make this product stand out from the competition.
Three mechanical speeds
Three ranges provide a broader low-speed torque and high-speed drilling envelope than common two-speed drills.
Metal working interface
The nitro-carburized half-inch ratcheting chuck is designed for retention and wear resistance under heavy use.
Detailed Quality Score Breakdown
Core Performance
Primary Performance
9.1
DeWalt and the exact retailer listing document three speeds, hammer action and up to 42 percent more power with the...
Feature Richness
8.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Build Quality
8.3
The exact product documentation identifies a brushless motor, heavy-duty nitro-carburized metal chuck and auxiliary...
Reliability Score
7.7
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Longevity
Durability Rating
7.6
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Wear Resistance
7.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Component Replaceability
7.5
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Design Timelessness
7.0
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Serviceability
Repairability
6.7
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Spare Parts Availability
7.3
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Warranty Coverage
6.4
DeWalt publishes a three-year limited warranty, one-year free service contract and 90-day guarantee for eligible tools.
Service Network
8.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Value
Total Cost of Ownership
7.3
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Resale Value Retention
6.3
AI-assisted preliminary estimate pending editor review and durable-source evidence.
User Satisfaction
8.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Total Cost of Ownership Calculator
The sticker price is just the beginning. Use this tool to estimate the true long-term cost of this product. Adjust the sliders based on your expected usage and care to see how the value holds up over time.
Buy box purchase price$199.99
Based on your estimates, the true cost is:
$1.21 / month
$14.50
Per Year
$173.99
Over 12 years
Calculation: (Purchase Price + Total Maintenance - Resale Value) ÷ Lifespan
Tracked price history
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Sign in to view price historyFrequently Asked Questions
Is the DCD999B sold with a battery and charger?
No. The exact DCD999B listing identifies this configuration as a tool-only 1/2-inch cordless hammer drill, so a battery and charger are not part of this package.
Which DEWALT batteries are compatible with the DCD999B?
The DCD999B is part of DEWALT's FLEXVOLT Advantage system. DEWALT says these tools are compatible with all DEWALT 20V MAX batteries and 20V/60V MAX FLEXVOLT batteries; the higher-output FLEXVOLT behavior depends on using a compatible FLEXVOLT pack.
What does FLEXVOLT Advantage mean on this hammer drill?
DEWALT describes FLEXVOLT Advantage as technology that makes its 20V MAX hammer drill more powerful while keeping it within the 20V MAX system. The DCD999B can therefore use the platform's standard 20V MAX batteries as well as compatible FLEXVOLT batteries.
What warranty package is associated with this DEWALT tool?
DEWALT's warranty page says products that state they include this package receive a three-year limited warranty for defects in materials or workmanship, a one-year free service contract, and a 90-day money-back guarantee. Coverage is for the original end-user purchaser, generally requires an authorized seller, and excludes normal wear and tool abuse.
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