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Internet # 307485224

Model # 2857-20

Store SKU # 1003853064

Store SO SKU #1003853064

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

$199.00
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  • POWERSTATE Brushless Motor Gives Up To 30% Faster Driving Speed
  • Compact 4.59" Length For Best Access In Tight Spces
  • Part of the M18 System, featuring over 250+ tools
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Product Details

About This Product

The Milwaukee M18 FUEL 1/4 in. Impact Driver with ONE-KEY is the Fastest, Most Compact and Most Powerful tool in its class. The POWERSTATE Brushless motor produces up to 2,000 in./lbs. of torque, delivering Up To 30% Faster Driving Speed, increasing the impact drill's productivity for the most demanding fasteners on the job. At only 4.59 in. L, this is the Most Compact impact driver in its class, giving users better access in tight spaces. REDLINK PLUS intelligence tool technology ensures maximum performance while protecting from overloads, heating and over-discharge. The M18 REDLITHIUM Battery Packs (not included) deliver more work per charge and more work over the life of the packs than competitors. With ONE-KEY, users gain the ability to Customize, Track and Manage their hex impact driver. ONE-KEY technology also allows users to save up to 4 task settings directly to the tool. 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. If the tool is ever lost or stolen, its tracking functionality can lock it out to protect the investment.

Highlights

  • POWERSTATE Brushless Motor delivers up to 30% faster driving speed, increasing productivity
  • Most compact impact driver at 4.59 in. L providing more access in tight spaces
  • Up to 25% more torque with up to 2,000 in./lbs. to complete more demanding applications
  • REDLINK PLUS intelligence: ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire M18 system
  • M18 REDLITHIUM XC5.0 battery pack: delivers more work per charge and more work over the life of the pack than competitors
  • ONE-KEY compatible: ability to customize, track and manage tools for increased productivity and investment protection
  • Select between 4 custom DRIVE CONTROL modes that deliver the ability to adjust the speed and power for the application at hand
  • 1-handed bit insertion for faster, easier changing of bits
  • LED light to illuminate the work area
  • Premium rubber overmold withstands corrosive materials and provides increased comfort when in use
  • Belt clip and bit holder included
  • Compatible with all M18 batteries
  • Includes: M18 FUEL 1/4 in. hex impact driver with ONE-KEY (tool-only), 1 belt clip, 1 bit holder
  • Shop All Milwaukee Tools
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 307485224

Model # 2857-20

Store SKU # 1003853064

Store SO SKU #1003853064

Additional Resources

Shop All Milwaukee

Specifications

Dimensions: H 7.54 in, W 2.43 in, D 4.59 in

Dimensions

Product Depth (in.)

4.59 in

Product Height (in.)

7.54 in

Product Width (in.)

2.43 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)

3600 RPM

Motor Type

Brushless

Number of Total Batteries Included

0

Power Tool Features

Keyless Chuck, LED Light, Mobile App Integrated, Variable Speed

Product Weight (lb.)

2.2 lb

Returnable

90-Day

Tools Product Type

Power Tool

Torque (In-Lbs)

2000

Warranty / Certifications

Manufacturer Warranty

5 Year Warranty (Tool)

Questions & Answers

What's the default maximum RPM at the lowest setting? Can this maximum RPM for the lowest setting be reduced through One Key? I want something around 900 RPM max with full trigger pull.
ByJun 7, 2023
1 Answer | 
Answer This Question

We recommend looking at the operator's manual for more information on the RPM's. Thank you - Social Team

By|Jun 7, 2023


    Can this impact be set for what?s needed for No-hub? Thank you
    ByMar 3, 2023
    1 Answer | 
    Answer This Question

    Plumbing coupler? Using the one key app you can set the torque you need exactly. I set mine up for 6mm, 8mm, 10mm, and anything above. Works very well.

    By|Jan 21, 2025

      (2)

      Is this gen 3 or 3.5 with two ball bearing for the bit head?
      ByApr 25, 2022
      1 Answer | 
      Answer This Question

      In 2021, we changed our impact drivers to address collet retention. These updated designs are now shipping and in stores. If you experience bits falling out of the bit holder, we will fix your impact free of charge via our Service Centers

      By|Apr 26, 2022


        Did the One key model get the collet upgrade that the Gen 3 did?
        ByApr 24, 2022
        1 Answer | 
        Answer This Question

        Hi Tyler! In 2021, we changed our impact drivers to address collet retention. These updated designs are now shipping and in stores. If you experience bits falling out of the bit holder, we will fix your impact free of charge via our Service Centers

        By|Apr 26, 2022


          Is this model more powerful than the 2853-20?
          ByAug 28, 2021
          1 Answer | 
          Answer This Question

          Thank you for your recent inquiry with The Home Depot. The Torque and the impacts per minute are the same. We appreciate your business and look forward to serving you in the future.

          By|Sep 8, 2021


            what gen is this modle
            ByApr 28, 2021
            1 Answer | 
            Answer This Question

            Really good work perfect thank you so much

            By|Aug 26, 2022


              Can you change the torque on the app
              ByApr 4, 2021
              1 Answer | 
              Answer This Question

              Hello Scottm! Our Milwaukee M18 FUEL ONE-KEY 18 Volt Lithium-Ion Brushless Cordless 1/4 in. Hex Impact Driver (Tool-Only) (2857-20) has ONE-KEY technology which allows users to save up to 4 task settings directly to the tool. 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. If the tool is ever lost or stolen, its tracking functionality can lock it out to protect the investment.

              By|Aug 5, 2022


                I wish Milwaukee would release a 1/4 or 3/8 with this much power and the one key system,, but with the one key system can I change/limit the torque settings for using this with sockets, interior screws and some 3/8ths work and avoid breaking stuff?
                ByMar 22, 2021
                1 Answer | 
                Answer This Question

                This impact driver has a POWERSTATE Brushless Motor that delivers up to 2,000 in./lbs. of torque and provides up to 30% faster driving speed. It features ONE-KEY technology, allowing customization, tracking, and management for increased productivity. It also has 4 custom DRIVE CONTROL modes to adjust speed and power for various applications.

                By|Feb 20, 2025


                Viewing 1-8 of 18

                Customer Reviews

                4.7 out of 5

                • 4.7 out of 206 reviews
                • 94% recommend this product
                Filter by:
                Showing 1-10 of 206 reviews
                Great tools
                Honestly idk why I didnt buy Milwaukee sooner, loving it so far!
                by
                  • Recommended
                  The beast
                  It is the best impact drill that I've tried its powerful it is compacted and I like it
                  by
                  • Verified Purchase
                  • Recommended
                  Arguably the best
                  This is arguably the best impact you can buy, especially with the updated dual ball bit retention collet. Your could probably split hair between this and the Japanese made makita dtd171. Both are top shelf. I would say spring for this onekey version over the the regular gen 3 as it has trigger speed switching issues. I have both.
                  by
                  • Verified Purchase
                  • Recommended
                  Track and torque settings
                  Has the 4th torque setting.. real nice to be able to track your equipment!
                  by
                  • Verified Purchase
                  • Recommended
                  Would definitely recommend
                  The new m18 fuel line up just keeps getting better and better. I know they are on the pricier side of things, but haven’t failed me yet. Was happy to add this one to my collection. The batteries are just the best I have used so far which is really the stand out compared to the other brands.
                  by
                    • Recommended
                    Great product great tool
                    I love it it's fast and the GPS on it is fast to a tested it it works perfectly fine I love the impact on it and like I said the drills fast so it's a great tool to have
                    by
                      Best tools ever.
                      I switched from the black and yellow brand and have never looked back. Milwaukee tools are far superior to any other brand I ever used. After getting the impact driver and seeing how good it worked I had to get the circular saw, two sawzalls (a mini and the Super Sawzall), sheetrock screw gun and cut out tool. My only regret about Milwaukee tools is that I didn't make the switch sooner! These tools are so good I had to buy the T-shirt!
                      by
                        • Recommended
                        When you buy these battery operated tools you have to commit to a brand because you don't want 5 ...
                        When you buy these battery operated tools you have to commit to a brand because you don't want 5 different battery brands and their charges cluttering up your work flow. I felt the legendary status of Milwaukee's corded tools like the Sawzall, Hole hog, etc., suggest this was a company who wanted to protect their reputation and wouldn't suddenly sellout and start making junk. 10 or 12 years ago I bought a similar version of this tool, Milwaukee's top of the line brushless impact driver and used to install 2 large metal roofs. The guys who helped me had their own impact drivers but wanted to used my Milwaukee. Since then, it's versatility made it the most important tool in my tool box. I've remodeled my house and built huge patio cover with it - including framing, electrical and plumbing. Between the metal roofs, house remodel and large wood patio cover, I believe my Milwaukee impact has driven well over 15,000 screws, nuts and bolts. That doesn't include all the large and small holes I've drilled with it for electrical and plumbing. I use it work on my cars and anything else. There isn't a week gone by that I haven't found a use for this tool. My old one works like it just came out of the box except the forward/reverse switch. I can't remember how many times I've drop this tool, but the last time was pretty high and must have knocked something loose. The switch works right most of the time but every once in a while I have to tap the tool against a hard object, then it's business as usual. I could have it fixed but I wanted to try out this new one with more features and a boatload more torque. Wow! It hasn't disappointed at all. What a fantastic piece of equipment. I have a top brand air impact driver but seldom use it anymore. The good thing is Milwaukee didn't "fix" any of the already great features of the old one, like its handling and durability. I can already tell this new impact driver will live up to my old Milwaukee impact driver's reputation, and then some. Thank you Milwaukee and keep making fantastic tools and equipment.
                        by
                        • Verified Purchase
                        • Recommended
                        2 found this review helpful
                        I received my M18 FUEL ONE-KEY 18-Volt Lithium-Ion Brushless Cordless 1/4" Hex Impact Driver Kit...
                        I received my M18 FUEL ONE-KEY 18-Volt Lithium-Ion Brushless Cordless 1/4" Hex Impact Driver Kit with(2) 5.0Ah Batteries, Hard Case. First of all I would like to say Milwaukee tools are made with some very good quality. This 1/4 inch impact driver has a lot of torque. It fits in my hand perfectly. The storage case is very nice for storing the batteries, impact driver & charger. It sure will make some of my projects easier to do. I'm sure anyone would be proud to own this tool.
                        by
                        • Recommended
                        2 found this review helpful
                        First off I own a LOT of Milwaukee tools and love them. Had some qc issues with some of them but ...
                        First off I own a LOT of Milwaukee tools and love them. Had some qc issues with some of them but nothing like this. Right out of the box it has scratches on it like it's been shaking around in someone's tool box. The chuck has a bunch of in and out play and the seam on top of the case is not flush. There are pencil Mark's on each piece of the drill Very unhappy with my purchase. I purchased the one key for custom settings because the stock settings are not great for what I do. I also have the original, gen 3 fuel impact. the chuck has about 1mm play but this one key has 2-3 mm of in and out play. I'm Extremely unhappy as I was planning on using this on the job tomorrow. Instead I have 200 of my hard earned dollars tied up I a tool for no reason.I dont want to use it because I feel I should return it. I could get past the scratches if the case was flush and chuck was not loose. I bought it online so my money is gone until I figure this out. It's not sold in stores where I am so, I cant just go exchange it. I'm beyond bummed out right now. This sucks. Its unacceptable that my money is just floating around somewhere, unusable by me, due to poor qc at home depot or Milwaukee. Dont know who's at fault but, it's not cool
                        by
                          3 found this review helpful
                          Showing 1-10 of 206 reviews