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Milwaukee 2457-20 M12 Cordless 3/8" Lithium-Ion Ratchet (Bare Tool)

  • Based on 3,672 reviews
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Features

  • new
  • Milwaukee Electric Tools
  • 45016724

Description

The 2457-20 3/8 in. Ratchet delivers one of the best-in-class power, speed, and durability for sub-compact tools. The cordless ratchet wrench is ideal for auto mechanics, maintenance and repair professionals looking for maximum performance and productivity in a subcompact cordless tool. It utilizes a powerful 12-Volt motor to produce up to 35 ft./lbs. of torque and 250 RPM, giving users the power and speed of a pneumatic ratchet without the air hose. The cordless ratchet is powered by the Battery Pack (sold separately), delivering more work per charge and more work over pack life than the competitors. The battery pack provides users with one of the best-in-class performances in extreme job site conditions. The power ratchet is compact at just 10-3/4 in. L and 1.9 lbs. and is tool-belt portable. The cordless tool features a 3/4 in. low-profile head design allowing users to work in the tight spaces and engine bays. The variable-speed metal trigger and reinforced steel housing provide users with maximum control and durability with any application. Powerful 12-Volt motor: delivers up to 35 ft. lbs. of torque Superior fastening speed: produces up to =250 RPM, with variable-speed trigger for greater control Battery technology: superior pack construction, electronics, and performance deliver more work per charge and more work over pack life than any battery on the market Intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger On-board fuel gauge: helps you monitor the charge precisely for less downtime on the job Built-in LED light: illuminates work surfaces in dark locations

Specs & Other Info

SpecificationDetails
ColorRed
BrandMilwaukee
Construction MaterialHigh-Quality Plastic
Length10.75 in
Weight1.79 lbs
Package Contents1 Unit
Head DesignFixed Square
Surface FinishPowder Coated for Extra Durability
Maximum Torque35 Foot-Pounds
Operating ModesBattery, Electric
Power Voltage12V
Manufacturer ID2457-20
Model Number2457-20
Production StatusCurrently Available
Design ThemeEnhanced Durability
Pattern StyleRatchet Mechanism
Energy SourceBattery Operated
Measurement UnitsInches
Components Included1 Piece
BatteriesNot Included, Lithium-Ion Compatible
Warranty1-Year Guarantee
Initial Release DateNovember 25, 2016

Frequently asked questions

The Milwaukee M12 Cordless 3/8' Ratchet is designed to be powered by Milwaukee's M12 REDLITHIUM batteries. These are 12-volt lithium-ion batteries that provide long life and durability for extended use. It's important to note that as a bare tool, the ratchet does not come with a battery or charger, which must be purchased separately.

Yes, the Milwaukee M12 Cordless 3/8' Ratchet is ideal for automotive work. Its compact design and powerful motor make it perfect for tightening or loosening nuts and bolts in tight spaces commonly found in automotive environments. Its torque output is suitable for most light to medium-duty tasks in auto maintenance and repair.

Yes, the Milwaukee M12 Cordless 3/8' Ratchet comes with a limited warranty that covers any defects in material or workmanship. Typically, Milwaukee tools are backed by a 5-year limited warranty, but always check the specific product documentation or Milwaukee's official website for the exact details of the warranty for this tool.

The Milwaukee M12 3/8' Cordless Ratchet offers convenience and portability that an air ratchet cannot, as it doesn't require an air compressor to operate. While air ratchets might offer higher torque, the M12 delivers sufficient torque for most applications and excels in ease of use and flexibility, especially in locations where dragging an air hose is impractical or impossible.

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.


Customers have found this ratchet to be an indispensable tool for bike and car maintenance, praising its reliability, long-lasting battery life (battery sold separately), and sufficient torque for most tasks. Its utility extends beyond typical fasteners, with users rarely needing to switch back to traditional ratchets. However, a notable drawback includes the tool slightly warming up with intensive use.

Pros

  • 🔩 Highly versatile for a range of maintenance tasks.
  • 🔋 Long battery life enhances productivity.
  • 🛠️ Reliable and delivers as expected with plenty of torque.
  • 👌 Reduces the need for traditional ratchets, becoming a go-to tool.

Cons

  • 🔥 Can warm up with intensive use on tough jobs.
  • ⚠️ Batteries are not included, which might be a downside for some users.

Should I Buy It?

Yes, if you're looking for a reliable and efficient tool to aid with routine maintenance or automotive work, this ratchet comes highly recommended. Its long battery life and robust performance justify the investment, especially for those willing to purchase the necessary batteries separately.


  • It's Milwaukee, what else do you need to know?
Pattern Name: Ratchet
I love this thing. I've had to re-buy a lot of tools since I moved and thought I'd like to try a cordless ratchet. I went with Milwaukee because I was already using the platform and obviously they make quality stuff. I've been using at work working on generators or fleet vehicles, at home on my car, actually I keep it in my car because I don't want to be some place without it. It makes every job quicker and works with the sockets I already have without any issue. Buying it like this with no battery means the price is great. I was worried at first about being too hard on it but honestly for the stuff it makes sense to use it on, it's got plenty of power. ... show more
Reviewed in the United States on October 3, 2025 by Andrew

  • The best
Pattern Name: Ratchet
My 1st electric wrench. Can’t believe I waited so long to buy one. Makes working on truck so much easier. Have dropped this beast of a tool several times. Just keeps going. Best tool ever. Next to my fuel cordless impact wrench.
Reviewed in the United States on November 2, 2025 by M

  • Great Little ratchet! Would recommend!
Pattern Name: Ratchet
The media could not be loaded. The Milwaukee 2457-20 M12 Cordless 3/8" Lithium-Ion Ratchet is a solid tool that offers a good balance of power and portability. Its compact design makes it easy to use in tight spaces, which is a huge plus for automotive and mechanical work. The 35 ft-lbs of torque is enough for most light- to medium-duty tasks, and the variable speed trigger gives great control. The battery life is decent, though it could be better for heavier use. The build quality feels durable, with a reinforced steel housing that seems built to last. One downside is that it’s not the fastest ratchet on the market, but for DIYers and even professionals needing a reliable, compact ratchet, it’s a good investment. The tool is comfortable to hold, and the LED light is a handy feature when working in low-light areas. Overall, it's a dependable tool that performs well for most day-to-day tasks. ... show more
Reviewed in the United States on September 26, 2024 by Luke

  • Milwaukee
Pattern Name: Ratchet
Nice product at a decent price
Reviewed in the United States on November 5, 2025 by David M.

  • Love it
Pattern Name: Ratchet
Bought this to help me when I work on vehicles. Has come in handy each time I've worked on one. Doesn't have a ton of torque, so I'll need to break a nut/bolt with another wrench, but this ratcheting wrench works wonders to make the process easier to remove/install the bolt/nut.
Reviewed in the United States on December 9, 2025 by Treestand in an oak

  • Hace bien su trabajo
Pattern Name: Ratchet
Buena herramienta
Reviewed in the United States on August 21, 2025 by L RODMAN

  • Very useful
Pattern Name: Ratchet
Great product. Like all of Milwaukee products they are extremely well designed and well made.
Reviewed in the United States on September 29, 2025 by DWM Jr

  • Producto original
Pattern Name: Ratchet
La fuerza y ahora de batería adecuada justo lo que estaba buscando
Reviewed in the United States on December 7, 2025 by Domingo Denis MORGADO Martínez

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