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  • Update date: November 30, 2024

Dewalt DCD805N-XJ vs DCD999T1-QW

Dewalt DCD805N-XJ

Dewalt DCD805N-XJ

Recommended price : 149$

The Dewalt DCD805N-XJ hammer drill-driver is a cordless tool from the XR 18V range, designed to provide power and versatility for construction professionals and demanding DIY enthusiasts. Equipped with a brushless motor, it delivers a maximum torque of 90 Nm, enabling efficient drilling and screwing in various materials, including wood, metal, and masonry.

Compact with a length of 177 mm, the DCD805N-XJ is ideal for working in tight spaces. It features two variable speeds (0-650 rpm and 0-2000 rpm) and 15 torque settings, offering precise control for drilling and screwing applications. The hammer function reaches up to 34,000 blows per minute, making it easier to drill into hard materials like brick or concrete.

Ergonomic features include a comfortable handle for prolonged use, a 13 mm all-metal chuck with automatic locking for quick bit changes, and a pivoting LED positioned at the base of the tool, enhancing visibility in dark or confined areas. Additionally, a steel belt clip and a magnetic bit holder are included for convenient accessory storage.

The DCD805N-XJ is compatible with Dewalt 18V XR batteries, offering flexible use depending on the power requirements of the job site. It is typically sold without a battery or charger, allowing users who already own tools from Dewalt's XR range to use them with this drill-driver.
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Recommended drill

Dewalt DCD999T1-QW

Dewalt DCD999T1-QW

Recommended price : 497$

The DEWALT DCD999T1-QW hammer drill-driver, equipped with FLEXVOLT ADVANTAGE technology, delivers enhanced power by recognizing XR FLEXVOLT batteries, providing up to 42% more power when paired with a 6 Ah XR FLEXVOLT battery compared to an 18V XR 5 Ah battery.

Equipped with a fully metal three-speed transmission and a DEWALT brushless motor, it ensures speed and durability. Its nitro-carburized metal chuck with carbide inserts guarantees optimal bit grip.

The electronic clutch, with 11 torque adjustment settings, allows for precise fastening. The hammer function adds versatility for various drilling and fastening applications.

For improved visibility in dark spaces, it features a three-mode LED, offering up to 20 times brighter lighting than the DCD985 model.
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Dewalt DCD999T1-QW vs Dewalt DCD805N-XJ
Which to choose and why?

Why choose Dewalt DCD805N-XJ?

Better ergonomics in tight spaces

Dimensions : 177×67×200 mm vs. 213×70×208 mm

Lighter, reducing fatigue during prolonged use

Weight (kg) : 1.34 kg vs. 2.7 kg

Provides excellent value for its performance

Recommended price : 149$ vs. 497$

Adapts to various materials without the risk of over-tightening

Clutch torque adjustment : 15 vs. 11

Amazon offer

Why choose Dewalt DCD999T1-QW?

Higher torque, providing more power for hard materials

Max torque: rigid/elastic fastening : 112 Nm vs. 90 Nm

Faster and more efficient drilling in hard materials

Cadence : 38 250 bpm (blows per minute) vs. 34 000 bpm (blows per minute)

Offers better drilling capacity in hard materials

Power : 1219 W vs. 500 W

Less vibration, reducing fatigue and the risk of repetitive strain injuries (RSI)

Vibration level : 2.5 m/s2 vs. 11 m/s2

Quieter, for more comfortable and less tiring use

Sound power level (L wa) : 95 dB(A) vs. 101 dB(A)

Amazon offer

Technical specifications
Dewalt DCD805N-XJ vs Dewalt DCD999T1-QW

General

Specifications Dewalt DCD805N-XJ Dewalt DCD999T1-QW
Drill type Hammer drill driver VS Hammer drill driver
Dimensions 177 x 67 x 200 mm VS 213 x 70 x 208 mm
Weight (kg) 1.34 kg VS 2.7 kg
Color Yellow / Black VS Yellow / Black
Recommended price 149$ VS 497$
Warranty 3 years VS 3 years

Technical specifications

Specifications Dewalt DCD805N-XJ Dewalt DCD999T1-QW
Max torque: rigid/elastic fastening 90 Nm VS 112 Nm
Clutch torque adjustment 15 VS 11
Cadence 34 000 bpm (blows per minute) VS 38 250 bpm (blows per minute)
Capacity: wood screws 0 - 55 mm VS 0 - 55 mm
Capacity: machine screws M13 VS M13
Max no-load speed 0 - 2 000 min⁻¹ VS 0 - 2 000 min⁻¹
Reversal Yes VS Yes
Work light Yes VS Yes
Keyless chuck Yes VS Yes

Power supply and operation

Specifications Dewalt DCD805N-XJ Dewalt DCD999T1-QW
Power supply Battery VS Battery
Power cord - VS -
Power 500 W VS 1219 W
Electrical voltage 18 V VS 18 V
Variable speed Yes VS Yes

Sound specifications

Specifications Dewalt DCD805N-XJ Dewalt DCD999T1-QW
Sound power level 101 dB(A) VS 95 dB(A)
Sound pressure level 90 dB(A) VS 84 dB(A)
Noise uncertainty (K factor) 3 dB(A) VS 3 dB(A)

Vibration specifications

Specifications Dewalt DCD805N-XJ Dewalt DCD999T1-QW
Vibration level 11 m/s2 VS 2.5 m/s2
Vibration k-factor 1.5 m/s2 VS 1.5 m/s2

Recommended accessories

For the Dewalt DCD805N-XJ

Dewalt XR 18V Battery DCB182-XJ

Dewalt XR 18V Battery DCB182-XJ

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DEWALT DCB115 Charger

DEWALT DCB115 Charger

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DEWALT DT70731 Drill and Bit Set

DEWALT DT70731 Drill and Bit Set

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For the Dewalt DCD999T1-QW

Wood, metal, and concrete drill bit set DEWALT DT70702-QZ

Wood, metal, and concrete drill bit set DEWALT DT70702-QZ

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DEWALT DT71563-QZ Drill and Bit Set

DEWALT DT71563-QZ Drill and Bit Set

Read more
Additional handle DEWALT DCD999

Additional handle DEWALT DCD999

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I'm Quentin, a tool expert with over 10 years of experience. On this blog, I share reliable, tested and proven advice based on extensive practice and ongoing collaboration with tool manufacturers.

Auteur Quentin Versus Tools

Detailed comparison by Quentin

This comparison may contain affiliate links. We may earn a small commission if you choose to purchase your drill through our links. If you found this page helpful, it’s a way to support our work. Thank you!

Sources : Dewalt DCD999T1-QW

Frequently asked questions

General

Drill type

Different types of drills (hammer drill, screwdriver, etc.) are designed for specific tasks. The right type of drill optimizes performance based on specific needs.
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Dimensions

The drill's dimensions affect maneuverability, especially in tight spaces. A more compact drill is easier to handle in narrow areas.
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Weight (kg)

Weight affects user fatigue during extended use. A lighter drill is more comfortable for long sessions.
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Warranty

The warranty ensures the tool's durability and reliability. A longer warranty provides more security in case of issues with the drill.
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Technical specifications

Max torque: rigid/elastic fastening

Allows control of applied force to avoid damaging materials or screws. More settings provide better control and precision across various materials.
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Clutch torque adjustment

Allows control of applied force to avoid damaging materials or screws. More settings provide better control and precision across various materials.
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Cadence

Indicates the drill's capacity to bore large-diameter holes in wood. A larger diameter allows for working with thicker or wider wooden pieces.
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Capacity

The hammering capacity indicates the size of bolts or fasteners the drill can handle. Greater capacity allows working with sturdier bolts, essential in construction or industrial settings.
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Capacity: wood screws

Greater capacity for wood screws allows working on projects with larger or longer screws, thereby increasing joint strength.
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Capacity: machine screws

Greater capacity for machine screws is essential in projects requiring robust and precise fastenings, especially in metal or plastic.
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Max no-load speed

The no-load speed indicates the maximum rotation speed of the bit, influencing drilling speed. Higher speed allows faster drilling, especially in softer materials.
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Reversal

Allows changing the rotation direction to screw or unscrew easily. Reversal offers more flexibility, especially for screwing and unscrewing.
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Work light

Lights up the work area, improving precision in dark environments. An integrated light allows for precise work in dimly lit spaces.
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Keyless chuck

Enables quick bit changes without additional tools. The keyless chuck saves time and enhances convenience.
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Power supply and operation

Power supply

Determines if the drill is corded or cordless, which affects mobility and power. A corded drill provides more constant power, while a cordless one offers more freedom.
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Power cord

Cord length affects freedom of movement when using a corded drill. A longer cord allows work without needing an extension.
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Power

Power determines the drill's ability to bore through hard materials. More power enables faster and more efficient work in tough materials.
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Electrical voltage

Indicates the power and runtime of a cordless drill. Higher voltage provides more power and runtime for extended sessions.
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Variable speed

Allows speed adjustment based on the material for better control. Variable speed enables adaptation to different materials and task types.
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Sound specifications

Sound power level

Noise level affects user comfort, especially during prolonged use. A lower noise level is more comfortable and reduces hearing fatigue.
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Sound pressure level

Indicates the noise level perceived by the user while operating the tool. Lower sound pressure levels make operation more comfortable and less tiring.
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Noise uncertainty (K factor)

Indicates the accuracy of reported noise measurements. A lower uncertainty means that noise levels are closer to actual values.
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Vibration specifications

Vibration level

Vibrations impact comfort and safety during drill use. Lower vibrations reduce fatigue and the risk of musculoskeletal disorders.
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Vibration k-factor

Measures the accuracy of reported vibration values. A lower uncertainty guarantees a better evaluation of the felt vibrations.
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