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Internet # 325692491

Model # 2957-20

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M18 FUEL ONE-KEY 18V Lithium-Ion Brushless Cordless 1/4 in. Hex Impact Driver (Tool-Only)

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  • POWERSTATE™ Brushless motor delivers unmatched power
  • Increase productivity with the fastest impact driver speed
  • Trigger control provides smooth acceleration for small fasteners
  • View More Details

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Product Details

About This Product

The MILWAUKEE® M18 FUEL™ ¼” Hex Impact Driver w/ One-Key™ is the MOST POWERFUL and FASTEST DRIVING impact driver, featuring ULTIMATE TRIGGER CONTROL. The POWERSTATE™ Brushless motor delivers unmatched power for a full range of capabilities to complete the widest variety of applications. Increase productivity on the jobsite with the fastest driving speed of any impact driver without sacrificing power or control. REDLINK PLUS™ intelligence delivers ULTIMATE TRIGGER CONTROL by providing smooth acceleration for small fasteners to prevent stripping of screws or damaging of materials. The M18™ REDLITHIUM™ Battery Packs deliver more work per charge and more work over the life of the pack. The 4-mode drive control provides operators with greater control over output speed and power. The self-tapping screw mode provides faster installation time, shutting the hex driver down as soon as the fastener is seated to reduce damage to fasteners and materials. With ONE-KEY™, you gain the ability to Customize, Track and Manage your impact driver. ONE-KEY™ technology also allows you to save up to 4 task settings directly to the tool. If your tool is ever lost or stolen, its tracking functionality can lock it out to protect your investment. This new impact driver also features Tri-LED lighting, illuminating the area of work while eliminating shadows. The M18 FUEL™ ¼” Hex Impact Driver is part of the M18™ system which is fully compatible with over 250+ solutions.

Highlights

  • POWERSTATE™ Brushless motor delivers unmatched power for full range of capability to complete the widest variety of applications
  • Increase productivity on the jobsite with the fastest driving speed of any impact driver without sacrificing power or control
  • ULTIMATE TRIGGER CONTROL by providing smooth acceleration for small fasteners to prevent stripping of screws or damaging of materials
  • Tri-LED Lighting for maximum workspace visiblity
  • Compact Size (4.47") for access in tight spaces
  • 4-Mode Drive Control
  • 2000 in-lbs of torque
  • 3900 RPM
  • Single Handed Bit Insertion for Ease of Use
  • 2.2lbs
  • All-metal belt clip for portability
  • Compatible with all M18™ batteries & chargers
  • Most Powerful
  • Fastest Driving Speed
  • Ultimate Trigger Control
  • Includes: (1) 2957-20 M18 FUEL Impact Driver, (1) Belt Clip
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 325692491

Model # 2957-20

Specifications

Dimensions: H 8 in, W 2.6 in, D 4.49 in

Dimensions

Product Depth (in.)

4.49 in

Product Height (in.)

8 in

Product Width (in.)

2.6 in

Details

Battery Amp Hours

No Battery

Battery Power Type

Lithium Ion

Battery Voltage (V)

18V

Battery/Charger

Tool Only

Charger Included

Charger Not Included

Color Family

Red

Cordless Tool Type

Impact Driver

Cordless/Corded

Cordless

Drive Size

1/4 In. Hex

Included

Tool Only

Maximum Speed (RPM)

3900 RPM

Motor Type

Brushless

Number of Total Batteries Included

0

Power Tool Features

LED Light

Product Weight (lb.)

2.3 lb

Returnable

90-Day

Tools Product Type

Power Tool

Torque (In-Lbs)

2000

Warranty / Certifications

Manufacturer Warranty

5 Year Limited Warranty

Questions & Answers

What is the torq
BySep 27, 2026
1 Answer | 
Answer This Question

The M18 Compact Brushless 1/4" Hex Impact Driver Kit (3650-21P) delivers 1,700 in-lbs of peak torque and up to 3,600 RPM.

By|Sep 29, 2026


    Doesn’t have enough torque to remove old CV axles?
    BySep 3, 2026
    1 Answer | 
    Answer This Question

    No, a 1/4 in. impact driver is not intended for CV axle removal.

    By|Oct 26, 2026

      (1)

      What’s the voltage description
      ByAug 13, 2026
      1 Answer | 
      Answer This Question

      The M18 18-Volt Lithium-Ion Compact Brushless Cordless 1/4 in. Impact Driver Kit with One 2.0 Ah Battery, Charger & Tool Bag voltage is 18V.

      By|Aug 14, 2026


        Would this be suitable for an older woman, my friend Tyler‘s mom needs an impact.
        ByJul 18, 2026
        0 Answer | 
        Answer This Question

        Can I bring my old one in and swap it out
        ByJul 6, 2026
        1 Answer | 
        Answer This Question

        No you can't

        By|Oct 3, 2026


          what does it mean free with purchase
          ByJul 2, 2026
          1 Answer | 
          Answer This Question

          it.. it's free... with your purchase.

          By|Oct 6, 2026


            Can you use it to change a tire on a car or a truck
            ByJun 13, 2026
            2 Answers | 
            Answer This Question

            No, you will need a 1/2” impact driver for that. This is mainly for driving screws and smaller fasteners.

            By|Jul 27, 2026

              No — the M18™ 1/4" Impact Driver (Compact Brushless) is not suitable for changing vehicle tires.

              By|Jun 17, 2026


                How to prevent from over tightening?
                ByJun 1, 2026
                1 Answer | 
                Answer This Question

                Hey Paul. Milwaukee compact brushless impact drivers are designed with enhanced variable‑speed trigger control, which is your primary protection against over‑driving fasteners.

                By|Jun 10, 2026


                  Viewing 1-8 of 71

                  Customer Reviews

                  4.7 out of 5

                  • 4.7 out of 1,912 reviews
                  • 80% recommend this product
                  Filter by:
                  Showing 1-10 of 1,912 reviews
                  Gen 3 on left vs new gen 4 on right. I upgraded to the new Gen 4 and I like. The gen 3 did great for me and never had an issue with it. The new one is lighter, more compact and more power! Trigger control is nicer. I especially like the tri led light up front vs single light on old one. The gen 3rd did have a bit holder opposite side of belt clip. The new one does not. Not a deal breaker but I did try to switch bit holder from old one to new one. It screws on but doesn’t fully seat properly so it’s not 100% compatible without doing some modifications to bit holder. They do make bit holders you can purchase for the new gen 4 if you have to have one. But it was nice that the gen 3 already came with one. Besides that gen 4 is better in every single way!
                  by
                  I like the compact design and cordless convenience of this Milwaukee M18 FUEL impact wrench. The 1/2-inch drive and pin-detent socket retention are useful features for garage projects.
                  by
                  Milwaukee never fails. This impact driver is such a great tool. Light weight, short, powerful and very durable. It can fits to many tiny areas where other impacts can fit. This is a small impact, but I tell you what its got a lot of power behind it and its lighter than most impacts. I love it. Im glad I got it. Switched to Milwaukee a couple of years ago and got many Milwaukee tools, but this is my favorite one.
                  by
                  This drill works great for what I need to use it for!
                  by
                  I have been extremely impressed with this tool. I received it when purchasing a Milwaukee drill and considered it a significant bonus. It has a lot of torque, so be sure you have high quality bits when using.
                  by
                  Awesome tools! Been using it nonstop ever since i got it
                  by
                  I can’t believe Milwaukee cheated on me. We got divorced.
                  Been doing this work since 1972. Milwaukee used to be someone you could trust. Just returned my brand new impact driver after less than a week’s work. I have a thousands of dollars worth of Milwaukee tools and batteries, but at this time I am at a crossroads; I hate to say it but it is time to part ways and cut my losses. Goodbye old friend, you were a trustworthy friend, now you have stabbed me in the back and are dead to me, so sorry to say. Can’t believe I’m saying that.
                  by
                  Response from Milwaukee ToolAug 27, 2026
                  We appreciate your feedback on your M18 FUEL 18V Lithium-Ion Brushless Cordless 1/4 in. Hex Impact Driver (Tool-Only), and we will be sure to pass it along to our team. If you have any additional feedback, please reach out to us at social.media@milwaukeetool.com. Thank you! - Milwaukee Tool Social Team
                    This customer chose to rate the product and not provide text.
                    by
                    Useful
                    I have multiple Milwaukee tools and a couple different impacts, but this one was different seems to be lighter but carry just as much if not more torque battery last long and I enjoy having it the smaller body also helps you get tight spot with control the speed of the drills nice touch. The light helped me hang shelves in a dark corner in my garage.
                    by
                      • Recommended
                      1 found this review helpful
                      Most reliable impact on the market
                      I use this impact driver on a daily basis and it sure takes a beating. I usually drill 500+ screws a day with this monster of an impact and it never misses a beat. It definitely outperforms all the impacts of my coworkers. If you're looking for a reliable impact driver, look no further.
                      by
                        • Recommended
                        Showing 1-10 of 1,912 reviews

                        Compare Key Features

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                        Product Snapshot

                        Ideal for professionals or homeowners seeking power and speed, this impact driver boasts a brushless motor, ultimate trigger control, and a compact design for versatility.
                        Ideal for professionals who need a powerful and quiet impact driver , ensuring consistent performance in demanding applications . This DeWALT impact driver is designed for tight spaces and features a built-in work light ..
                        Ideal for professionals or homeowners seeking power and speed, this impact driver boasts a brushless motor, ultimate trigger control, and 4-mode drive for versatile performance.
                        Ideal for professionals or homeowners seeking power and speed, this impact driver boasts a brushless motor, ultimate trigger control, and bright LED lighting.

                        Torque Output

                        2000 in-lbs
                        500 in-lbs
                        2000 in.-lbs.
                        2000 in./lbs.

                        Battery Capacity

                        Power Source Cordless

                        Brushless Motor

                        Speed Settings

                        4
                        4
                        4