2 Best FLEX High Torque Impact Wrenches, Compared
We compare 2 FLEX high torque impact wrenches by published specs. Choose between 1,500 Ft-Lbs kits or lighter bare tools based on your power needs.
By GaugeKit Editorial Team 5 min read
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You need the best FLEX high torque impact wrenches for demanding jobs. We compared 2 models using only published specifications. The FLEX 24V Brushless Impact Wrench Kit leads because it delivers 1,500 Ft-Lbs of torque. This raw power suits heavy-duty bolt removal and installation. Other options like the bare tool version offer lighter weight at 6.9 pounds. This guide helps you decide which tool matches your torque and size needs.
Choose torque versus weight for your needs
Compare the top two FLEX models by their output and mass. The kit version delivers 1,500 Ft-Lbs of torque but weighs 16.3 pounds. The bare tool offers 1,150 Ft-Lbs and weighs only 6.9 pounds. Select the higher torque if you remove heavy bolts. Choose the lighter option if you need vibration control and portability for extended use.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | FLEX 24V Brushless Impact Wrench Kit Best overall | heavy-duty bolt removal and installation | |
| 2 | FLEX 24V 1/2-Inch 1,150 Ft-Lbs Impact Wrench Best bare tool | FLEX users needing high torque with vibration control |
The best fit for you
- You need maximum power for heavy-duty tasks – FLEX 24V Brushless Impact Wrench Kit – It delivers 1,500 Ft-Lbs of torque for the strongest performance.
- You already own FLEX batteries and want a tool only – FLEX 24V 1/2-Inch 1,150 Ft-Lbs Impact Wrench – This bare tool configuration lets you use your existing power source.
- You prioritize vibration control during extended use – FLEX 24V 1/2-Inch 1,150 Ft-Lbs Impact Wrench – It includes specific removal modes designed to reduce user fatigue.
FLEX 24V Brushless Impact Wrench Kit
Best for: heavy-duty bolt removal and installation
- Torque Level
- High Torque
- Drive Size
- 1/2-Inch
- Breakaway Torque
- 1,500 foot-pounds
- Voltage
- 24V
- Motor Type
- Brushless
- Configuration
- Kit
This FLEX kit delivers 1,500 foot-pounds of breakaway torque through a 24V brushless motor. It includes a 6.0Ah Stacked Lithium battery and a 280W rapid charger. The tool features vibration suppression and two auto-control modes to prevent over-tightening. You get a heavy-duty 1/2-inch drive wrench that weighs 16.3 pounds. It suits users needing high power and extended runtime for demanding fastening tasks.
- 1,500 foot-pounds of breakaway torque
- 24V Stacked Lithium 6.0Ah battery included
- Brushless motor for efficiency
- Two auto-control modes for precision
- Vibration suppression system
- 16.3-pound weight adds fatigue
- 18.9-inch length reduces maneuverability
- 13.8-inch width limits tight access
- You need maximum torque for large bolts
- You want cross-compatible 24V batteries
- You value vibration reduction
- You need a lightweight tool for overhead work
- You require a compact design for tight spaces
- You prefer a lighter battery capacity
Verdict: FLEX 24V 1500 Ft-Lbs Impact Wrench is the top choice for professionals who prioritize raw power and battery ecosystem compatibility over portability. It fits users who can manage its substantial weight and size for heavy-duty applications.
FLEX 24V 1/2-Inch 1,150 Ft-Lbs Impact Wrench
Best for: FLEX users needing high torque with vibration control
- Torque Level
- High Torque
- Drive Size
- 1/2-Inch
- Breakaway Torque
- 1,150 ft-lbs
- Voltage
- 24V
- Speed Modes
- 3 speed modes
- Motor Type
- Brushless
This bare tool delivers 1,150 ft-lbs of breakaway torque in a 1/2-inch drive format. It uses a sensor-free brushless motor and 24V Stacked Lithium technology for high efficiency. The unit includes vibration suppression and three speed modes for better control. It fits users who already own FLEX 24V batteries and need a compact, high-torque driver for heavy fastening tasks.
- 1,150 ft-lbs breakaway torque
- Sensor-free brushless motor
- Three speed modes
- Vibration suppression system
- Removal mode stops when bolt is loosened
- Lower torque than the 1,500 ft-lbs model on this list
- Heavier at 6.9 pounds compared to lighter alternatives
- Sold as a bare tool without battery or charger
- You already have FLEX 24V batteries
- You need high torque for large bolts
- You want vibration reduction for comfort
- You need the maximum 1,500 ft-lbs torque available
- You want a complete kit with battery and charger
- You prefer a lighter tool under 6 pounds
Verdict: FLEX 24V 1,150 Ft-Lbs Impact Wrench suits FLEX ecosystem users who prioritize vibration control and specific removal modes over the highest possible torque output.
Specifications side by side
| Spec | FLEX 24V Brushless Impact Wrench Kit | FLEX 24V 1/2-Inch 1,150 Ft-Lbs Impact Wrench |
|---|---|---|
| Drive Size | 1/2-Inch | 1/2-Inch |
| Breakaway Torque | 1,500 foot-pounds | 1,150 ft-lbs |
| Voltage | 24V | 24V |
| Speed Modes | – | 3 speed modes |
| Motor Type | Brushless | Brushless |
| Configuration | Kit | Tool Only |
| Battery Capacity | 6.0Ah | – |
| Chuck Size | 1/2 Inch | 1/2 Inch |
| Power Source | Cordless | Cordless |
| Torque Level | High Torque | High Torque |
| Set Type | – | Tool Only |
| Dimensions | 18.9 × 13.8 × 5.51 inches | 10.4 × 3.5 × 2.28 inches |
| Weight | 16.3 pounds | 6.9 pounds |
| Size | 1,500 Ft-Lbs | 1,150 Ft-Lbs |
| Color | Grey/Black | Grey/Black |
| Model | FX1472-1H | FX1471-Z |
How to choose the right FLEX impact wrench
Match voltage to your system
Both models operate on 24V power. This voltage level provides the high torque needed for demanding industrial tasks. You should verify that your existing FLEX battery platform supports this voltage. Using compatible batteries ensures you can swap power sources between tools. This compatibility reduces the need to purchase additional charging stations. It also allows you to maintain a single power ecosystem for all your FLEX equipment. Consistency in voltage simplifies your workflow and keeps your tools ready for heavy-duty use.
Select the correct chuck size
Both tools feature a 1/2-inch chuck size. This standard size accepts common sockets and adapters for most automotive and construction applications. You need to ensure your sockets match this dimension for proper fitment. A 1/2-inch chuck provides the necessary leverage for high-torque fastening tasks. It is versatile enough for general maintenance and specialized heavy-duty work. Check your existing socket inventory to confirm compatibility. This spec is critical for ensuring you can access bolts without needing specialized adapters or different tool configurations.
Evaluate brushless motor benefits
Both models utilize brushless motor technology. This design eliminates carbon brushes, which reduces friction and extends motor life. You benefit from increased efficiency and longer runtime per charge. Brushless motors also offer better speed control and durability under heavy loads. This specification is essential for professionals who run tools continuously. It reduces maintenance needs and improves overall performance. When comparing options, prioritize brushless models for their reliability and power delivery. This technology is standard in modern high-torque impact wrenches for a reason.
Compare torque output requirements
Torque levels vary significantly between models. The kit version delivers 1,500 Ft-Lbs of torque for maximum power. The bare tool offers 1,150 Ft-Lbs, which is still high torque. You should choose based on the tightness of bolts you encounter. Heavier machinery often requires the higher 1,500 Ft-Lbs output. Lighter commercial tasks may be satisfied with 1,150 Ft-Lbs. This spec directly impacts your ability to remove stuck fasteners. Match the torque rating to your most demanding job to avoid underperformance.
Decide between kit or bare tool
Configuration affects your initial investment and setup. The kit includes batteries and a charger for immediate use. The bare tool requires you to own compatible FLEX batteries. You should choose the bare tool if you already have the power source. This option is more cost-effective for existing FLEX users. The kit is ideal for new users who need a complete solution. Consider your current inventory before making this decision. Your choice determines whether you need to purchase additional accessories separately.
Frequently asked questions
Which FLEX high torque impact wrench is best for heavy-duty bolt removal?
The FLEX 24V Brushless Impact Wrench Kit is the top choice for this task. It delivers 1,500 Ft-Lbs of torque, providing the raw power needed for stubborn fasteners. The 1/2-inch chuck accepts standard sockets for versatile use. This model suits professionals who prioritize output over portability, even with its 16.3-pound weight.
Does FLEX offer a bare tool option for high torque impact wrenches?
Yes, the FLEX 24V 1,150 Ft-Lbs Impact Wrench is available as a bare tool. This configuration is ideal if you already own compatible 24V batteries. It weighs only 6.9 pounds, making it significantly lighter than the kit version. You get 1,150 Ft-Lbs of torque without the added bulk of included accessories.
What is the difference in weight between the top two FLEX models?
The weight difference is substantial. The best overall kit model weighs 16.3 pounds due to its larger frame and included components. The bare tool option weighs just 6.9 pounds. This makes the bare tool much easier to handle for extended periods or in tight spaces where maneuverability is key.
What voltage do these FLEX high torque impact wrenches use?
Both models operate on a 24V power source. This voltage level supports the high torque outputs required for demanding industrial applications. You must ensure your existing FLEX battery ecosystem supports 24V tools. This compatibility allows you to swap batteries between different tools in your collection seamlessly.
Which FLEX impact wrench is better for vibration control?
The FLEX 24V 1,150 Ft-Lbs Impact Wrench is designed with vibration control in mind. It suits users who perform extended tasks and want to reduce fatigue. While it offers slightly less torque than the 1,500 Ft-Lbs model, its lighter 6.9-pound weight and ergonomic design help manage vibration during long shifts.
What type of motor do these FLEX impact wrenches have?
Both models feature brushless motors. This technology improves efficiency and extends the lifespan of the tool compared to brushed alternatives. Brushless motors also provide more consistent power delivery under load. You benefit from reduced maintenance needs and longer runtime per battery charge across the FLEX 24V lineup.
See also
Where to buy
at Amazon
Price taken from the listing when this page was written and it can change at any time. We may earn a commission if you buy through this link.
More Impact Wrenches
See the section
Get our picks by email
New reviews and the prices we spotted, once a week.