14 Best Tool Only Impact Wrenches, Compared
Compare 14 tool only impact wrenches by published specs. We analyze torque, weight, and anvil size to help you choose the right model for your specific needs.
By GaugeKit Editorial Team 7 min read
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Choosing the best tool only impact wrenches requires matching specs to your job. We compared 14 models based strictly on published listing data. The DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench leads this list. It offers high torque for heavy-duty construction and automotive work. Its 6.4-pound weight and 10.6-inch length provide a balance of power and control. This guide helps you decide which bare tool fits your voltage system and physical constraints. You will find options ranging from compact 1/4-inch drivers to 1-inch industrial wrenches.
Match Anvil Size to Your Bolts
Your first step is selecting the correct anvil size. Most models use a 1/2-inch drive for general automotive and construction tasks. Some offer 3/8-inch drives for lighter precision work, while heavy industrial jobs may require 3/4-inch or 1-inch drives. Verify the drive size before buying to ensure compatibility with your existing sockets and impact sockets.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench Best overall | heavy-duty construction and automotive work | |
| 2 | Milwaukee M12 FUEL Stubby 1/2-Inch Impact Wrench Also great | tight spaces and overhead work | |
| 3 | DEWALT ATOMIC 20V MAX 3/8-Inch Impact Wrench Best budget | Lightweight tasks requiring precise control | |
| 4 | DEWALT 20V MAX 1/2-Inch High-Torque Impact Wrench Also great | Heavy-duty flanges and wheel lugs | |
| 5 | DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench Best work light | tasks requiring good visibility and control | |
| 6 | DEWALT 20V MAX XR 1/2-Inch Detent Pin Impact Wrench Also great | General fastening with high torque and control | |
| 7 | DEWALT 20V MAX XR 3/4-Inch Brushless Impact Wrench Best premium | Heavy industrial fastening with large bolts | |
| 8 | Makita 18V 1/2-Inch Brushless Impact Wrench Best 18v | High-torque fastening with precise speed control | |
| 9 | FLEX 24V Brushless 1/4-Inch Impact Driver Best impact driver | High-torque screw driving in FLEX 24V systems | |
| 10 | Ingersoll Rand 1 in High-Torque Impact Wrench Best 1 inch | heavy industrial and automotive maintenance | |
| 11 | Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench Also great | tight underhood spaces and precise torque control | |
| 12 | Ingersoll Rand W7153 1/2" 1,600 ft-lbs Also great | Industrial users needing durable high-torque tools | |
| 13 | CRAFTSMAN V20 1/2-Inch Impact Wrench Also great | Standard automotive tasks in V20 ecosystem | |
| 14 | FLEX 24V Brushless 750 Ft-Lbs Impact Wrench Also great | Precision fastening with auto-stop control |
The best fit for you
- You need serious power for heavy-duty construction work – DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench – This 20V brushless model delivers high torque and weighs 6.4 pounds for durability.
- You need to reach into tight spaces or work overhead – Milwaukee M12 FUEL Stubby 1/2-Inch Impact Wrench – This M12 stubby wrench is only 8 inches long and weighs 1.9 pounds.
- You want a lightweight tool for precise control on light tasks – DEWALT ATOMIC 20V MAX 3/8-Inch Impact Wrench – This 20V 3/8-inch model weighs just 2.76 pounds for better maneuverability.
- You need a built-in light for better visibility in dark areas – DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench – This model includes an integrated work light and weighs 4.25 pounds.
- You need extreme torque for heavy industrial fastening with large bolts – DEWALT 20V MAX XR 3/4-Inch Brushless Impact Wrench – This 3/4-inch drive brushless wrench provides high torque for demanding industrial jobs.
DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench
Best for: heavy-duty construction and automotive work
- Set Type
- Tool Only
- Drive Size
- 1/2
- Breakaway Torque
- 1400 ft-lbs
- Voltage
- 20V MAX
- Anvil Type
- Hog ring
- Speed Modes
- 4-speed
This DEWALT 20V MAX brushless impact wrench delivers 1400 ft-lbs of breakaway torque and 1030 ft-lbs of fastening torque. It features a 1/2-inch hog ring anvil and four speed modes for precise control. The tool includes an LED light and a shock-absorbing battery connection. It suits demanding construction, automotive, and farming tasks where high power and durability are essential.
- 1400 ft-lbs max breakaway torque
- 1030 ft-lbs max fastening torque
- Brushless motor for efficiency
- Four-speed mode settings
- Integrated LED work light
- Heavier at 6.4 pounds than compact alternatives
- Larger dimensions with 10.6-inch height
- Fewer speed modes than variable-speed triggers
- You need high torque for heavy-duty fastening
- You work in automotive or construction settings
- You prefer precise control with multiple speed modes
- You require a subcompact or stubby design
- You need maximum portability with minimal weight
- You prefer a tool under 5 pounds
Verdict: DEWALT 20V MAX 1/2" High-Torque Impact Wrench fits professionals needing serious power and control for tough jobs. It is ideal for users who prioritize torque and durability over compact size.
Milwaukee M12 FUEL Stubby 1/2-Inch Impact Wrench
Best for: tight spaces and overhead work
- Set Type
- Tool Only
- Drive Size
- 1/2 Inch
- Voltage
- M12
- Configuration
- Bare Tool
- Dimensions
- 8 × 5.5 × 3 inches
- Weight
- 1.9 pounds
The Milwaukee M12 FUEL Stubby is a 1/2-inch drive impact wrench designed for tight spaces. It features a compact body measuring 8 inches long and 5.5 inches wide. The unit weighs 1.9 pounds, making it manageable for overhead work. This bare tool requires a separate M12 battery. It suits users who need a smaller footprint than standard models without sacrificing the 1/2-inch drive capability.
- Compact 8-inch length fits in confined areas
- Lightweight 1.9-pound design reduces fatigue
- Standard 1/2-inch drive accepts common sockets
- Heavier than subcompact 1/4-inch models in the list
- Requires purchasing a separate M12 battery and charger
- You work in tight engine bays or under dashboards
- You already own M12 batteries and want a compact addition
- You need a 1/2-inch drive but lack space for a full-size wrench
- You require a 3/4-inch drive for heavy-duty truck work
- You want a complete kit with battery and charger included
- You prefer a 1/4-inch drive for lighter fastening tasks
Verdict: The Milwaukee M12 FUEL Stubby 1/2" Impact Wrench is a practical choice for mechanics who need a 1/2-inch drive in a compact form factor. It fits users who prioritize size and weight over raw torque output.
DEWALT ATOMIC 20V MAX 3/8-Inch Impact Wrench
Best for: Lightweight tasks requiring precise control
- Set Type
- Tool Only
- Drive Size
- 3/8 in.
- Voltage
- 20V MAX*
- Anvil Type
- Hog ring
- Speed Modes
- 4 speed settings
- Configuration
- Tool Only
The DEWALT DCF923 is a 20V MAX* tool-only impact wrench with a 3/8-inch hog ring anvil. It delivers up to 300 ft-lbs of torque and features four speed settings for precise control. The compact design measures 9.2 inches in length and weighs 2.76 pounds. This model suits users who need a lightweight, mid-torque option for smaller fasteners or tight spaces rather than heavy-duty automotive work.
- Up to 300 ft-lbs of torque output
- Four speed settings for enhanced control
- Hog ring anvil for quick socket changes
- Lightweight 2.76-pound build
- Timber screw mode for wood applications
- 3/8-inch drive size limits socket compatibility compared to 1/2-inch models
- 300 ft-lbs torque is lower than high-torque competitors
- 9.2-inch length is longer than stubby alternatives
- You need a lightweight wrench for smaller fasteners
- You require precise torque control with multiple speed settings
- You prefer a hog ring anvil for rapid socket changes
- You need high torque for heavy automotive lug nuts
- You require a 1/2-inch drive size
- You need a compact stubby design for tight spaces
Verdict: DEWALT DCF923 20V 3/8 in Impact Wrench fits users who prioritize control and portability over raw power. It is ideal for general maintenance and woodwork where a 3/8-inch drive is sufficient.
DEWALT 20V MAX 1/2-Inch High-Torque Impact Wrench
Best for: Heavy-duty flanges and wheel lugs
- Set Type
- Tool Only
- Drive Size
- 1/2 in.
- Breakaway Torque
- 1900 ft-lbs
- Voltage
- 20V MAX
- Anvil Type
- Hog Ring
- Speed Modes
- 3 speed settings
This DEWALT bare tool delivers 1320 ft-lbs of fastening torque and 1900 ft-lbs of breakaway torque. It features a brushless motor and three speed settings with a precision wrench mode to prevent overtightening. Weighing 8.42 pounds, it is designed for large pipe flanges and wheel lugs. The 1/2 inch hog ring anvil ensures secure bit retention for tough fastening applications.
- 1900 ft-lbs max breakaway torque
- 1320 ft-lbs max fastening torque
- Three speed settings with precision mode
- Brushless motor for efficiency
- 1/2 inch hog ring anvil
- Heavier at 8.42 pounds compared to subcompact alternatives
- Larger length of 10.7 inches reduces compactness
- Lower torque output than the 1/2 inch XR and 3/4 inch models on this list
- You need high torque for large pipe flanges
- You require precise control to prevent overtightening
- You already own 20V MAX batteries
- You need a compact tool for tight spaces
- You require the highest torque available on this list
- You prefer a lighter tool under 5 pounds
Verdict: DEWALT 20V MAX 1/2 Hog Ring Impact Wrench offers substantial power for heavy-duty tasks. It fits users who prioritize torque and precision control over compact size. It is ideal for wheel lugs and flanges where power is critical.
DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench
Best for: tasks requiring good visibility and control
- Set Type
- Tool Only
- Drive Size
- 1/2'
- Breakaway Torque
- 800 ft-lbs.
- Voltage
- 20V MAX
- Anvil Type
- Hog Ring
- Speed Modes
- 4 speed settings
This DEWALT 20V MAX tool delivers 800 ft-lbs of max breakaway torque and 600 ft-lbs of fastening torque. It features four speed settings and a variable trigger for precise control. The compact design measures 8.88 inches long and weighs 4.25 pounds. An integrated LED work light helps illuminate dark spaces. It is a bare tool, so you need a compatible battery.
- 800 ft-lbs max breakaway torque
- Four speed settings for control
- Built-in LED work light
- Compact 8.88-inch length
- Lower torque than high-torque competitors
- Heavier at 4.25 pounds
- Fewer speed settings than some rivals
- You need bright illumination in tight spaces
- You prefer precise speed control
- You already own DEWALT 20V batteries
- You require maximum breakaway torque
- You want a lighter tool under 4 pounds
- You need more than four speed settings
Verdict: DEWALT 20V MAX 1/2 Hog Ring Impact Wrench suits users who prioritize workspace visibility and manageable weight over raw power. It fits those who already use the 20V MAX system and value controlled fastening.
DEWALT 20V MAX XR 1/2-Inch Detent Pin Impact Wrench
Best for: General fastening with high torque and control
- Set Type
- Tool Only
- Drive Size
- 1/2 in.
- Breakaway Torque
- 800 ft-lbs
- Voltage
- 20V MAX
- Anvil Type
- Detent pin
- Speed Modes
- 4 speed settings
This DEWALT bare tool delivers 800 ft-lbs of breakaway torque and 600 ft-lbs of fastening torque. It features four speed settings and a variable trigger for precise control. The compact design measures 8.4 inches in length and weighs 4.21 pounds. An integrated LED light illuminates dark workspaces. It suits users who need reliable power in a manageable package for general fastening tasks.
- 800 ft-lbs max breakaway torque
- 4 speed settings for output control
- Precision Wrench control prevents over-tightening
- Compact 8.4-inch length for tight spaces
- Heavier at 4.21 pounds compared to lighter subcompact options
- Lower torque output than high-torque 1/2" or 3/4" competitors
- Standard 1/2" drive limits use on smaller fasteners
- You need strong breakaway torque for stubborn bolts
- You prefer multiple speed settings for better control
- You work in tight spaces requiring a compact tool
- You require a lighter tool for overhead work
- You need higher torque for heavy industrial applications
- You frequently work with small 3/8" or 1/4" fasteners
Verdict: DEWALT 20V MAX XR 1/2" Impact Wrench fits users who prioritize torque and control in a compact form factor. It is a solid choice for mechanics and DIYers who need reliable power without the bulk of larger tools.
DEWALT 20V MAX XR 3/4-Inch Brushless Impact Wrench
Best for: Heavy industrial fastening with large bolts
- Set Type
- Tool Only
- Drive Size
- 3/4 Inch
- Breakaway Torque
- 1900 ft-lbs
- Voltage
- 20V MAX
- Anvil Type
- Hog Ring
- Speed Modes
- 3 speed settings
This DEWALT brushless impact wrench features a 3/4 inch hog ring anvil. It delivers 1420 ft-lbs of max fastening torque and 1900 ft-lbs of breakaway torque. The tool includes three speed settings and a precision mode to prevent overtightening. Its oil-resistant housing resists damage from grease and solvents. This bare tool suits heavy-duty industrial applications requiring high power and durability.
- 1900 ft-lbs breakaway torque for tough fasteners
- Brushless motor for efficiency and runtime
- Oil-resistant housing protects against harsh environments
- Three speed settings with precision wrench mode
- 9.04 pound weight is heavy for extended overhead use
- 10.7 inch length may be bulky for tight spaces
- 3/4 inch drive is larger than standard 1/2 inch applications
- You need maximum torque for large bolts
- You work in oily or greasy industrial settings
- You require a durable brushless motor tool
- You need a compact tool for tight spaces
- You only work with 1/2 inch or smaller fasteners
- You prefer a lighter weight tool for overhead work
Verdict: DEWALT 20V MAX XR 3/4 Inch Impact Wrench delivers extreme torque for heavy industrial fastening. It fits professionals who prioritize power and durability over compact size.
Makita 18V 1/2-Inch Brushless Impact Wrench
Best for: High-torque fastening with precise speed control
- Set Type
- Tool Only
- Drive Size
- 1/2"
- Breakaway Torque
- 1,180 ft.lbs.
- Voltage
- 18V
- Anvil Type
- friction ring
- Speed Modes
- 3-speed
This Makita 18V LXT impact wrench delivers 1,180 ft-lbs of nut-busting torque and 740 ft-lbs of fastening torque. Its brushless motor optimizes battery energy for up to 50% longer run time per charge. You get three-speed control with RPMs up to 1,800 and IPMs up to 2,200. The 1/2-inch drive uses a friction ring for quick socket changes. This tool only model suits users who need high power and precise speed settings for demanding fastening tasks.
- 1,180 ft-lbs nut-busting torque
- Brushless motor for extended run time
- Three-speed power selection switch
- 1/2-inch friction ring anvil
- Heavier at 7 pounds than many compact rivals
- Lower top speed of 1,800 RPM compared to 2,000+ RPM models
- 18V platform offers less power than 20V or 24V competitors
- You require high breakaway torque for stubborn bolts
- You value precise speed control across three settings
- You already use the 18V LXT battery system
- You prefer a lighter tool under 5 pounds
- You need speeds exceeding 2,000 RPM
- You want a 20V or 24V platform for maximum power
Verdict: Makita 18V 1/2" High-Torque Impact Wrench provides substantial torque and efficient brushless performance for heavy-duty work. It fits users prioritizing power and control over lightweight portability or higher voltage platforms.
FLEX 24V Brushless 1/4-Inch Impact Driver
Best for: High-torque screw driving in FLEX 24V systems
- Set Type
- Tool Only
- Voltage
- 24V
- Speed Modes
- 3 speed modes
- Motor Type
- Brushless
- Configuration
- Tool Only
- Included Tools
- Impact Driver
This FLEX tool delivers 2,500 in-lbs of torque from a brushless motor. It features a 1/4-inch quick eject hex collet and three speed modes for screw control. The unit weighs 3 pounds and measures 4.7 inches in length. It is designed for users already invested in the FLEX 24V ecosystem, offering cross-compatibility with all batteries and chargers in that line.
- 2,500 in-lbs of torque output
- Sensor-free brushless motor for efficiency
- Quick eject hex collet for one-handed bit changes
- Three speed modes for precise fastening control
- Cross-compatible with all FLEX 24V batteries
- 1/4-inch hex chuck limits bit compatibility compared to 1/2-inch wrenches
- 3-pound weight is higher than subcompact competitors
- Tool-only configuration requires separate battery purchase
- You need high torque for dense materials
- You already own FLEX 24V batteries
- You require precise screw driving modes
- You need a 1/2-inch square drive
- You want a complete kit with battery
- You prefer a lighter subcompact tool
Verdict: FLEX 24V Brushless 1/4-Inch Impact Driver suits users who prioritize raw torque and screw control within the FLEX 24V system. It is ideal for heavy-duty fastening where existing batteries are available.
Ingersoll Rand 1 in High-Torque Impact Wrench
Best for: heavy industrial and automotive maintenance
- Set Type
- Tool Only
- Drive Size
- 1 in.
- Breakaway Torque
- 3,000 ft-lbs
- Configuration
- Tool only
- Chuck Size
- 1 Inch
- Power Source
- Cordless
This tool-only 1-inch impact wrench delivers 3,000 ft-lbs of nut-busting torque and 2,200 ft-lbs of fastening torque. It features a 2-inch extended anvil and an ergonomic D-handle grip. The steel-lined hammer and auxiliary handle reduce vibration. You need this for heavy equipment assembly and tough automotive jobs. It weighs 25.9 pounds and measures 26 inches long.
- 3,000 ft-lbs breakaway torque
- 2-inch extended anvil
- Steel-lined hammer construction
- Auxiliary 360° handle for control
- 25.9-pound weight is heavy for prolonged overhead use
- 26-inch length may be cumbersome in tight spaces
- You need maximum torque for heavy-equipment maintenance
- You require a 1-inch drive for large fasteners
- You value vibration reduction during long shifts
- You need a compact tool for tight engine bays
- You prefer a lightweight wrench for overhead work
- You want a smaller 1/2-inch drive size
Verdict: Ingersoll Rand 1" High-Torque Impact Wrench is built for serious industrial and automotive tasks where brute force matters. You should buy this if you frequently work with large bolts and need a durable, high-torque solution.
Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench
Best for: tight underhood spaces and precise torque control
- Set Type
- Tool Only
- Drive Size
- 1/4 in.
- Breakaway Torque
- 100 ft-lbs
- Voltage
- 12V
- Anvil Type
- Friction ring
- Speed Modes
- 4-mode
This Milwaukee M12 FUEL tool is a subcompact 1/4-inch impact wrench designed for tight underhood spaces. It delivers 100 ft-lbs of breakaway torque and features four speed modes for precise control. The 12V battery system keeps it lightweight, while tri-LEDs improve visibility in dark areas. You get a friction ring anvil for secure bit retention. This bare tool suits mechanics who need maneuverability and auto shut-off to prevent over-tightening.
- 100 ft-lbs breakaway torque for efficient nut busting
- 4-mode drive control with auto shut-off at 7 ft-lbs
- Tri-LEDs reduce shadows for better workspace clarity
- Subcompact design allows access in tight underhood spaces
- Lower 100 ft-lbs torque compared to 1/2-inch models exceeding 1,600 ft-lbs
- Smaller 1/4-inch drive size limits compatibility with larger sockets
- 12V voltage provides less power than 18V or 20V MAX competitors
- You need a tool for tight underhood engine work
- You require precise torque control with auto shut-off
- You value lightweight maneuverability over raw power
- You need high torque for heavy-duty lug nuts
- You prefer a 1/2-inch or larger drive size
- You want maximum power from a 20V or 18V system
Verdict: Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench fits mechanics who prioritize access in tight spaces and precise torque control over raw power. It is ideal for underhood tasks where a larger wrench cannot reach.
Ingersoll Rand W7153 1/2" 1,600 ft-lbs
Best for: Industrial users needing durable high-torque tools
- Set Type
- Tool Only
- Drive Size
- 1/2"
- Breakaway Torque
- 1,600 ft-lbs
- Voltage
- 20V
- Speed Modes
- 4 power modes
- Chuck Size
- 1/2 Inch
The Ingersoll Rand W7153 is a 20V cordless impact wrench with a 1/2-inch drive. It delivers 1,600 ft-lbs of breakaway torque and four power modes for precise control. The tool weighs 5 pounds and features a steel-reinforced frame. It suits automotive and industrial tasks where high torque and durability matter. You get a bare tool compatible with Ingersoll Rand IQV20 batteries.
- 1,600 ft-lbs breakaway torque output
- Four distinct power modes for control
- Steel-reinforced frame for durability
- IPX6 rating for water resistance
- Lower breakaway torque than the 2,500 In-Lbs FLEX model
- Heavier build at 5 pounds compared to subcompact options
- Fewer speed settings than the 4-speed DEWALT variant
- You need high torque for heavy-duty fastener removal
- You work in environments requiring water resistance
- You already own Ingersoll Rand IQV20 batteries
- You require maximum torque above 1,600 ft-lbs
- You prefer a lighter tool under 5 pounds
- You need a brushless motor specification
Verdict: Ingersoll Rand W7153 1/2" Impact Wrench provides solid torque and durability for industrial users. It fits professionals who prioritize build quality and battery ecosystem compatibility over peak speed or minimal weight.
CRAFTSMAN V20 1/2-Inch Impact Wrench
Best for: Standard automotive tasks in V20 ecosystem
- Set Type
- Tool Only
- Drive Size
- 1/2 in.
- Voltage
- 20V
- Anvil Type
- Hog ring
- Configuration
- Tool Only
- Chuck Size
- 1/2 Inch
This Craftsman V20 tool delivers 350 ft-lbs of torque and 2,500 ipms. It features a 1/2 inch hog ring anvil and variable speed trigger. The 1,700 RPM motor offers control for various fasteners. Weighing 5.49 pounds, it is a standard-sized cordless wrench. It suits users who need reliable torque in a familiar 20V platform.
- 350 ft-lbs max torque
- 2,500 ipms impact rate
- 1,700 RPM variable speed
- 1/2 inch hog ring anvil
- Built-in LED light
- 5.49 pounds weight is heavier than compact alternatives
- 350 ft-lbs torque is lower than high-torque brushless models
- Standard brushed motor design
- You use the Craftsman V20 battery ecosystem
- You need 350 ft-lbs for standard automotive work
- You prefer a hog ring anvil for quick socket changes
- You require over 1,000 ft-lbs for heavy industrial tasks
- You need a subcompact or stubby form factor
- You want a brushless motor for maximum efficiency
Verdict: Craftsman V20 1/2 In Impact Wrench fits users already invested in the V20 system who need dependable torque for general maintenance. It is a solid choice for those prioritizing value and ecosystem compatibility over peak power.
FLEX 24V Brushless 750 Ft-Lbs Impact Wrench
Best for: Precision fastening with auto-stop control
- Set Type
- Tool Only
- Drive Size
- 1/2-Inch
- Breakaway Torque
- 750 ft-lbs
- Voltage
- 24V
- Speed Modes
- 3 speed modes
- Motor Type
- Brushless
The FLEX FX1451-Z is a 24V brushless 1/2-inch impact wrench delivering 750 ft-lbs of breakaway torque. It features three speed modes and two auto-control settings for bolt management. The tool weighs 4.21 pounds and measures 6.81 inches in length. You get vibration suppression and THERMA-TECH heat management. This mid-torque option suits users needing reliable power with precise control in a cordless format.
- 750 ft-lbs breakaway torque
- Sensor-free brushless motor
- Three speed modes
- Bolt Auto Stop and Removal modes
- Vibration suppression technology
- 750 ft-lbs torque is lower than high-torque competitors reaching 1,600 ft-lbs
- 4.21-pound weight is heavier than subcompact alternatives
- 3.78-inch width may be wider than stubby designs
- You need auto-stop features to prevent stripping bolts
- You prefer 24V system compatibility
- You want vibration reduction for extended use
- You require maximum torque above 1,000 ft-lbs
- You need a subcompact or stubby profile
- You want a lighter tool under 3 pounds
Verdict: FLEX 24V 750 Ft-Lbs Impact Wrench fits users who prioritize precision control and vibration management over raw maximum torque. It is a solid mid-torque choice for general fastening tasks.
Specifications side by side
| Spec | DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench | Milwaukee M12 FUEL Stubby 1/2-Inch Impact Wrench | DEWALT ATOMIC 20V MAX 3/8-Inch Impact Wrench | DEWALT 20V MAX 1/2-Inch High-Torque Impact Wrench | DEWALT 20V MAX 1/2-Inch Cordless Impact Wrench | DEWALT 20V MAX XR 1/2-Inch Detent Pin Impact Wrench | DEWALT 20V MAX XR 3/4-Inch Brushless Impact Wrench | Makita 18V 1/2-Inch Brushless Impact Wrench | FLEX 24V Brushless 1/4-Inch Impact Driver | Ingersoll Rand 1 in High-Torque Impact Wrench | Milwaukee M12 FUEL 1/4" Subcompact Impact Wrench | Ingersoll Rand W7153 1/2" 1,600 ft-lbs | CRAFTSMAN V20 1/2-Inch Impact Wrench | FLEX 24V Brushless 750 Ft-Lbs Impact Wrench |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drive Size | 1/2 | 1/2 Inch | 3/8 in. | 1/2 in. | 1/2' | 1/2 in. | 3/4 Inch | 1/2" | – | 1 in. | 1/4 in. | 1/2" | 1/2 in. | 1/2-Inch |
| Breakaway Torque | 1400 ft-lbs | – | – | 1900 ft-lbs | 800 ft-lbs. | 800 ft-lbs | 1900 ft-lbs | 1,180 ft.lbs. | – | 3,000 ft-lbs | 100 ft-lbs | 1,600 ft-lbs | – | 750 ft-lbs |
| Voltage | 20V MAX | M12 | 20V MAX* | 20V MAX | 20V MAX | 20V MAX | 20V MAX | 18V | 24V | – | 12V | 20V | 20V | 24V |
| Anvil Type | Hog ring | – | Hog ring | Hog Ring | Hog Ring | Detent pin | Hog Ring | friction ring | – | – | Friction ring | – | Hog ring | – |
| Speed Modes | 4-speed | – | 4 speed settings | 3 speed settings | 4 speed settings | 4 speed settings | 3 speed settings | 3-speed | 3 speed modes | – | 4-mode | 4 power modes | – | 3 speed modes |
| Motor Type | Brushless | – | – | Brushless | – | – | Brushless | Brushless | Brushless | – | – | – | – | Brushless |
| Configuration | tool Only | Bare Tool | Tool Only | Bare Tool Only | Bare Tool Only | Bare Tool Only | Tool Only | Tool Only | Tool Only | Tool only | Tool only | – | Tool Only | Tool Only |
| Chuck Size | – | 1/2 Inch | 3/8 Inch | 1/2 Inch | – | 1/2 Inch | – | 1/2 Inch | – | 1 Inch | – | 1/2 Inch | 1/2 Inch | 1/2 Inch |
| Included Tools | – | – | – | – | Work Light | – | – | – | Impact Driver | – | – | – | – | – |
| Power Source | Cordless | – | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | – | Cordless | Cordless | Cordless |
| Torque Level | High Torque | – | – | High Torque | – | – | High Torque | High Torque | – | High Torque | – | – | – | – |
| Set Type | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only |
| Dimensions | 9.94 × 4.15 × 10.6 inches | 8 × 5.5 × 3 inches | 9.2 × 5.9 × 3.35 inches | 10.7 × 9.84 × 5 inches | 8.88 × 3.5 × 8.25 inches | 8.4 × 8.9 × 3.5 inches | 10.7 × 4.5 × 11.1 inches | 10 × 10.3 × 3.9 inches | 4.7 × 4 × 10 inches | 26 × 7 × 9 inches | – | 10.5 × 9.5 × 3.75 inches | 12.8 × 2.86 × 9.79 inches | 6.81 × 3.78 × 9.72 inches |
| Weight | 6.4 pounds | 1.9 pounds | 2.76 pounds | 8.42 pounds | 4.25 pounds | 4.21 pounds | 9.04 pounds | 7 pounds | 3 pounds | 25.9 pounds | – | 5 pounds | 5.49 pounds | 4.21 pounds |
| Size | Large | – | One Size | One Size | One Size | One Size | One Size | 1/2" | Tool Only | Extended Anvil | – | – | 1/2-in. | 750 Ft-Lbs |
| Color | Black/Yellow | Red | Black, Yellow | Yellow | Black, Yellow | Yellow | Black, Yellow | 18v/1/2" | Grey/Black | Factory | Red | Grey | Black Red | Grey |
| Model | DCF900B | 2563-20211 | DCF923 | DCF961B | DCF891B | DCF892B | DCF964B | XWT08Z | FX1371A-Z | W9691 | 3048-20 | W7153 | CMCF900B | FX1451-Z |
You can compare torque specs for more models in the guide to the best impact wrenches with bare tool.
Check Voltage, Motor Type, and Weight
Match Voltage to Power Needs
Select the voltage platform that aligns with your existing battery ecosystem. Higher voltage generally supports higher torque output for demanding tasks. The DEWALT 20V MAX models offer robust power for construction, while the Milwaukee M12 series provides sufficient energy for lighter automotive repairs. Choose 18V or 24V options if you prefer alternative brand systems. Ensure your chosen voltage meets the torque requirements of your typical fastening jobs without unnecessary bulk.
Prioritize Brushless Motors for Efficiency
Look for brushless motor technology to maximize runtime and durability. Brushless designs eliminate physical brushes, reducing friction and heat generation. This allows the tool to run cooler and last longer under heavy loads. Several models in this guide feature brushless motors, including the DEWALT DCF900B and the Makita XWT08Z. These tools deliver consistent power output. If you need extended operation periods, prioritize this motor type over brushed alternatives for better performance.
Evaluate Weight for Comfort
Consider the tool weight when selecting a wrench for extended use. Heavier tools often house larger motors for increased torque but can cause fatigue. The DEWALT DCF900B weighs 6.4 pounds, offering substantial power for tough jobs. In contrast, the Milwaukee M12 Stubby weighs only 1.9 pounds, making it ideal for overhead work. Choose a weight that balances your need for power with your comfort during long periods of use.
Choose Anvil Size for Bolts
Select the anvil size that matches your largest bolts. Most general automotive and construction tasks require a 1/2-inch drive. Lighter tasks may only need a 3/8-inch drive, as seen in the DEWALT DCF923. Heavy industrial applications might require 3/4-inch or 1-inch drives, like the Ingersoll Rand W9691. Using the correct anvil size ensures proper fit and prevents damage to your fasteners. Verify the drive size before purchasing to ensure compatibility with your socket set.
Check for Included Work Lights
Look for models with integrated work lights if you often work in dim areas. The DEWALT DCF891B includes a work light to improve visibility. Good lighting helps you see fasteners clearly, reducing errors and improving safety. This feature is particularly useful for underhood automotive work or dark construction sites. If visibility is a concern, prioritize tools with built-in lighting over those that rely on external sources for illumination during fastening tasks.
Frequently asked questions
What is the difference between a 3/8-inch and 1/2-inch impact wrench?
The drive size determines the maximum bolt diameter the tool can handle. A 3/8-inch drive, like the DEWALT DCF923, offers lighter torque for precise maintenance and woodwork. A 1/2-inch drive, such as the DEWALT DCF900B, provides higher torque for automotive lug nuts and construction bolts. Choose the larger size for heavy-duty fastening and the smaller size for delicate tasks.
Does a brushless motor make an impact wrench better?
Yes, a brushless motor improves efficiency and durability by eliminating carbon brushes. Models like the DEWALT DCF900B and Makita XWT08Z use this technology to reduce friction and heat. This results in longer runtime per charge and a motor that lasts longer under heavy use. You get more power from the same battery voltage compared to brushed alternatives.
Which impact wrench is best for tight spaces?
The Milwaukee M12 FUEL Stubby 2563-20211 is ideal for confined areas. It measures only 8 inches in length and weighs 1.9 pounds. Its compact form factor allows you to reach bolts in tight underhood spaces or overhead positions. The smaller size sacrifices some raw torque but provides essential access where larger wrenches cannot fit.
How heavy is a typical 20V impact wrench?
Weight varies significantly based on the model and intended use. The Milwaukee M12 stubby weighs just 1.9 pounds for portability. Standard 20V models like the DEWALT DCF900B weigh around 6.4 pounds. Heavy industrial options, such as the Ingersoll Rand W9691, can weigh over 25 pounds. You should select a weight that matches your need for control versus brute force.
What does tool only mean for these impact wrenches?
Tool only indicates that the purchase includes the wrench body but excludes batteries and chargers. Every item on this list is a bare tool configuration. You must already own compatible batteries from that specific brand ecosystem, such as DEWALT 20V MAX or Milwaukee M12. This option saves space and cost if you already have the necessary power source.
Can I use a 20V battery with a 18V impact wrench?
No, you cannot mix voltage platforms. The Makita XWT08Z requires 18V batteries, while DEWALT models require 20V MAX batteries. Each brand maintains a proprietary battery interface. You must ensure your existing batteries match the voltage and brand of the new tool. Buying a tool only model assumes you have the correct compatible batteries already.
What is the largest anvil size available?
The Ingersoll Rand W9691 features a 1-inch drive, the largest on this list. It is designed for extreme industrial applications and heavy automotive maintenance. Most standard tools use 1/2-inch or 3/8-inch drives. The 1-inch size handles massive bolts that smaller drives cannot secure. This tool is significantly heavier and longer than standard models.
See also
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