Bosch GSR 12v-15 VS Milwaukee M12 | 2022 Ultimate Comparison

Bosch GSR 12v-15 VS Milwaukee M12

If you’re searching for a drill and not sure which one is better among Bosch GSR 12v-15 VS Milwaukee M12 then this article is for you.

The Bosch GSR 12V-15 and Milwaukee M12 Fuel are two of the best drill/drivers on the market when it comes to construction tools. They are durable, reliable, and perfect for carpenters who need to get the job done correctly.

The Bosch GSR 12V-15 and the Milwaukee M12 Fuel are two drills/drivers produced by different companies. Both have a powerful motor and can handle various tasks, but they differ in power output, features, and technology.

The Bosch GSR 12V-15 and Milwaukee M12 are great drills, but each has its advantages worth considering before making your purchase. You’ll find all the details below to help you figure out what’s best for your needs, with plenty of information about battery life, weight, driver speed, torque and more.

This is an important decision, so we hope these comparisons will help make it easy for you!

Bosch GSR 12V-15

Where To Buy?
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The Bosch GSR 12V-15 drill/driver is the most compact in its class, delivering professional-grade power while remaining lightweight for user convenience at 2.09 pounds. In addition, its performance-to-weight ratio makes the GRS 12V-15 an ideal tool for electricians, plumbers, contractors, and mechanics who perform a large amount of over-the-head drilling and driving.

This drill/driver by Bosch is rated at 265 inches-pounds of torque, so while it is small, it delivers a great deal of power, making it a great go-to tool for the most professional driving and removal or drilling applications.

Bosch GSR 12V-15 Drill/Driver Features

Quick-Clamp Chuck

The chuck is designed for quick and straightforward clamping on changing workpieces. 

20 Torque Configurations + 1 For Drilling

The 20+1 clutch settings allow the user to make precise torque adjustments for accurate driving and drilling. And with exact torque settings, there is less fastener damage.

Electronic cell protection (ECP)

This particular electronics module protects against overload, overheating and deep discharge, thus ensuring a longer lifetime than lithium-ion batteries from other manufacturers.

Two-Speed Planetary Gearbox

Thanks to the two-speed planetary gearbox, it is optimized for torque screwdriving and speed drilling.

Lithium-Ion Batteries

No self-discharge, memory effect, and a higher energy density due to lithium-ion battery technology.

Autolock Chuck

Convenient change of accessories thanks to the keyless chuck that opens and closes easily.

1-10mm

It opens and closes to 1.0 and 10.0mm for bits of varying sizes.

Integrated LED Worklight

The Bosch GSR 12V-15 drill/driver has integrated LED lights for improved visibility of your workspaces, allowing you to work in any setting, anytime.

Low Battery Voltage Indicator LED Light

The low battery voltage indicator LED light begins to flash when the battery voltage gets low. This is a warning to the user that the battery needs to be charged soon.

Beneficial Features of the Bosch GSR 12V-15 Drill/Driver

  • It remains lightweight and powerful at only 2.09 pounds for easy carrying and transportation
  • The best performance-to-size ratio in class
  • Useful in spaces that are hard to maneuver in with a 7-inch head length
  • Powerful tool with 265 inch-pounds of max torque
  • It has two speed settings at 0-400 RPM and 0-1,300 RPM for power and speed
  • 20+1 clutch settings for precise torque adjustments
  • Softgrip padding for comfortable handling
  • LED light illuminates dark workspaces
  • Compatible with 12v and 10.8v Bosch Professional batteries
  • Battery indicator LEDs on the tool to check the remaining charge
  • Electronic Motor Protection automatically shuts down the device during critical heat or overload

Also Read : Bosch GSR12V-140FCB22 Review | Buyers Guide

Bosch GSR 12V-15 Drill/Driver Purchasing Options

Sold as a kit

One thing to note about the Bosch GSR 12V-15 max drill/driver is that it is most commonly sold as a kit.

Kit Includes:

  • (1) GSR 12V-15 cordless drill/driver
  • (2) Bosch professional 12V 2.0 Ah lithium-ion batteries
  • Battery charger
  • Soft carry case

Can be sold independently

Although the Bosch GSR 12V-15 is regularly included as a kit, that is an option if you want the tool alone. One thing to be aware of is the 12V lithium-ion battery is not included, and it is the bare tool you receive.

The Milwaukee M12 Fuel 1/2-Inch Drill/Driver

Where To Buy?
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The Milwaukee M12 Fuel drill/driver is known to take cordless drills/drivers to the next level of performance and durability. It’s lightweight, versatile and provides users up to 10X longer motor life, 2X increased power and 4X longer runtimes.

It features a POWERSTATE Brushless Motor, which is said to outperform all leading competition thanks to its constant power output. And because of the brushless motor, it runs cooler and quieter with no wearable components.

The REDLINK PLUS intelligence guarantees optimized performance and protects the drill/driver from overheating, overload, and over-discharge. In addition, it is compatible with the REDLITHIUM 2.0 compact battery pack and the 4.0 extended capacity battery pack, sold separately. These deliver an increased work capacity per charge and more work over pack life than competitors.

The Milwaukee M12 drill/driver also features an onboard fuel gauge that aids you in monitoring the charge precisely, which results in less downtime completing tasks. In addition, the built-in LED light brightens dark work surfaces so you can work anytime, anywhere.

An all-metal ratcheting locking chuck ensures maximum grip, bit rotation, and durability so you can power through even the most demanding jobs. And the new contoured ergonomic soft grip provides users with the utmost comfort during prolonged use.

Milwaukee M12 Fuel 1/2-Inch Drill/Driver Features

POWERSTATE Brushless Motor

Brushless motors produce less heat, and their windings and bearings undergo less stress, which ultimately extends the motor’s life. The lower operating temperatures also contribute to higher system efficiencies and 55% faster application speed when used in cooling applications. Meanwhile, the quieter operation results in increased occupant comfort.

The brushless motor also delivers up to 350 inch-pounds of peak torque with maximum sustained torque to complete various applications.

REDLITHIUM Battery Technology

The construction of the REDLITHIUM battery technology, electronics, and ultimate performance deliver more work per charge than other batteries on the market.

REDLINK Plus Intelligence

REDLINK plus intelligence is considered the most advanced cordless power tool electronics system. It provides optimized performance and overload protection using total system communication between tool, battery and charger.

Milwaukee M12 Fuel 1/2-Inch Drill/Driver Purchasing Options

Like the Bosch GSR 12V-15 drill/driver, the Milwaukee M12 can be purchased as a kit or separately, depending on your needs.

Kit Includes:

  1. M12 Fuel 1/2-inch drill/driver
  2. M12 REDLITHIUM compact battery pack
  3. Charger
  4. M12 REDLITHIUM XC 4.0 extended capacity battery pack
  5. Belt clip
  6. Carrying case

Can be sold independently

Again, similarly to the Bosch GSR 12V-15, the Milwaukee M12 Fuel is regularly sold in a kit. The batteries are not included if you want the tool alone; it is just the bare tool.

Also Read : Milwaukee M12 VS M18 Impact Wrench-Which One Is Superior?

Beneficial Features of the Milwaukee M12 Fuel 3/8-Inch Drill/Driver

  • POWERSTATE Brushless Motor produces constant power output and runs cooler and quieter with no wearable components.
  • Provides users up to 10X longer motor life, 2X increased power and 4X longer runtimes.
  • REDLINK PLUS intelligence guarantees optimized performance and protects the drill/driver from overheating, overload, and over-discharge.
  • LED light illuminates dark workspaces.
  • It is compatible with the REDLITHIUM 2.0 compact battery pack and the 4.0 extended capacity battery pack, which deliver increased charge capacity over competitors.
  • The onboard fuel gauge monitors the tools’ charge precisely, which results in less downtime completing tasks.
  • The all-metal ratcheting locking chuck gives maximum grip, bit rotation, and durability so that you can power through even the most demanding jobs.
  • The contoured ergonomic soft grip provides users with the utmost comfort during prolonged use.

Similarities Of The GSR 12V-15 And The M12 Fuel

Optimized Performance

The Bosch GSR 12V-15 and the Milwaukee M12 Fuel have been designed for optimized performance. This means that you can use either driver for various tasks, big or small.

Overload Protection

The electronic systems in both drivers protect your tool from overheating, overload, and over-discharge. This ensures that your drill/driver will last longer and perform better.

Integrated LED Work Light

The LED light is an excellent feature in any drill/driver. It allows you to work in dark spaces without worrying about not being able to see what you’re doing.

Can be Sold as Kits or Separately

Being sold as a kit or independently may seem like a small benefit these brands offer; however, it gives each buyer a great deal of freedom in choice. If you don’t need extra battery packs or holders, you can buy the stand-alone tool and save yourself extra money.

Differences Between The GSR 12V-15 And M12 Fuel

Brushless Motors

Brushless motors are almost the standard among drills/drivers nowadays, but they are still a fantastic feature. It prolongs the life of your tool by protecting the windings and bearings from heat damage and operates at cooler temperatures. The Milwaukee M12 has a brushless motor, while the Bosch GSR 12V-15 does not.

Battery Life

The most significant difference between the Bosch GSR 12V-15 and the Milwaukee M12 Fuel is the battery life. The Bosch GSR 12V-15 uses lithium-ion batteries, while the Milwaukee M12 uses REDLITHIUM batteries.

REDLITHIUM batteries are known for extended run time and durability, making them perfect for construction workers who need to use their drills/drivers for long periods.

Inclusions in Carrying Cases

Another notable difference is the additional items offered in the Milwaukee M12 Fuel kit compared to the Bosch GSR 12V-15

Milwaukee not only has an additional battery, so you have more options, but they include the more powerful REDLITHIUM XC 4.0 extended capacity battery pack for when you need extra fuel.

Milwaukee also provides a belt clip, which may seem small, but every little thing helps when you’re on the job and need free hands.

Max Speeds

The max speeds of the Bosch GSR 12V-15 and the Milwaukee M12 Fuel are 30.77% different from each other. The Bosch GSR 12V-15 has a max speed of 1,300 rotations per minute (RPM), while the Milwaukee M12 Fuel has a maximum of 1,700 RPM. The extra 400 RPM could be just what you need to get the job done a little faster.

Maximum Peak Torque

The Bosch GSR 12V-15 is a powerful drill/driver that offers up to 265 inch-pounds of torque, perfect for various tasks, big or small. The Milwaukee M12 Fuel, on the other hand, is a more powerful tool that offers up to 350 inch-pounds of torque. But, again, this makes it better suited for demanding jobs that require more power.

Locking Chucks

The Bosch GSR 12V-15 and the Milwaukee M12 Fuel have all-metal locking chucks for maximum grip, durability, and bit rotation. However, the Milwaukee M12 Fuel’s chuck is a 1/2-inch metal single sleeve ratcheting lock; compared to the Bosch GSR 12V-15 chuck, which is just over 3/8-inch. This means that the Milwaukee M12 Fuel can accommodate a wider variety of bit sizes, making it more versatile.

Design

The Bosch GSR 12V-15 and the Milwaukee M12 Fuel are compact and lightweight drivers with excellent maneuverability. The Bosch GSR 12V-15 is a little shorter than the Milwaukee M12 Fuel, but both drivers are designed to be comfortable to use for extended periods.

Specification Comparison

 Bosch GSR 12V-15Milwaukee M12 1/2-Inch Drill Driver
Item Weight2.09 lbs2.3 lbs
BatteriesLithium-IonREDLITHIUM batteries
Chuck DesignKeylessKeyless
Chuck Size3/8″1/2″
No Load RPM0-400, 0-1,300 RPM0-350, 0-1,700 RPM
Power SourceCordlessCordless
Torque265350
Variable SpeedYesYes

Which one should you buy?

The bottom line is that the Bosch GSR 12V-15 and the Milwaukee M12 Fuel are great drills/drivers that offer many features and benefits.

While the Bosch GSR 12V-15 has excellent features like 265 inch-pounds of max torque, two speed settings at 0-400 RPM and 0-1,300 RPM, and 20+1 clutch settings for precise torque adjustments. The Milwaukee M12 outperforms this drill/driver.

The Milwaukee M12 Fuel is the better drill/driver with its more powerful brushless motor offers up to 350 inch-pounds of torque and its higher max speed of 1,700 RPM.

It also comes with accessories like an additional battery and a belt clip for user convenience. So, if you’re looking for the best drill/driver on the market, the Milwaukee M12 Fuel is the way to go.

Frequently Asked Questions

Are the Bosch and Milwaukee M12 batteries interchangeable?

No, the batteries are not interchangeable; the battery pack arrangement is rotated 180-degrees from the Milwaukee vs. Bosch. While similar in design, they have minor differences that make them incompatible.

What are the max speeds of the Bosch GSR 12V-15 Drill/Driver and the Milwaukee M12 Fuel Drill/Driver?

The Bosch GSR 12V-15 has a max speed of 1,300 rotations per minute (RPM), while the Milwaukee M12 Fuel has a maximum of 1,700 RPM.

Are Milwaukee Batteries Better than Bosch?

Milwaukee’s REDLITHIUM batteries are better than Bosch’s lithium-ion batteries. In addition, Milwaukee’s batteries offer more work over their lifetime in addition to overload protection, cell monitoring, and temperature management. 

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