Milwaukee 2503-20 M12 FUEL Lithium-Ion 1/2 in. Cordless Drill Driver (Tool Only)

Model: miln2503-20
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Milwaukee 2503-20 M12 FUEL Lithium-Ion 1/2 in. Cordless Drill Driver (Tool Only) Model: miln2503-20
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Product Features & specs :

Milwaukee 2503-20 M12 FUEL Lithium-Ion 1/2 in. Cordless Drill Driver (Tool Only)

The M12 FUEL Drill Driver is the Most Capable, Lightest Weight, Most Compact tool in its class. The POWERSTATE Brushless Motor delivers the power to do a wide variety of applications at 1700 RPM's and 350in.lbs. of torque. Weighing only 2.3lbs it is extremely portable, great for overhead applications, reduces fatigue throughout the day. At 6.6 in. in length this tool has the best access in tight spaces. REDLINK Plus intelligence protects the tool from overloads and overheating while ensuring maximum performance. Using REDLITHIUM CP2.0 Ah and XC4.0 Ah extended capacity battery packs they deliver more work per charge and more work over the life of the pack than competitive batteries.
  • Lightest Weight in its class for tool belt portability and less fatigue in the work day
  • Most Capable 12V Drill with the power to perform a wide range of applications
  • Most Compact in its class for the best access in tight spaces
  • 1/2 in. All Metal chuck for maximum grip and bit retention
  • E-Clutch for consistent repeatability in driving applications
  • 1700 RPMs for faster drilling speeds
  • 350 in-lbs of peak torque
  • Part of the M12 System of over 90 tools
What’s Included:
  • M12 FUEL 1/2 in. Drill Driver - 2503-20
  • Belt Clip
  • Battery & Charger Sold Separately
Maximum Torque
350 in-lbs
Power Source
UL Safety
Clutch Settings
Wifi compatibility
Batteries Included
Battery Type
Chuck Size
1/2 in
Bluetooth Compatibility
Variable Speed Trigger
Motor Type
Charger Included
Power Settings
No-Load Speed (RPM)
CSA Safety
Case Included
Handle Type
Chuck Type
ETL Safety
Battery System
6.6 in.
2.1 in.
7.8 in.
2.3 lbs.
Warranty Term
5 Year

Reviews :

4.0 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend this product?
Yes (2)
Ergonomic Design (2)
Powerful (1)
Value (1)
Lightweight (1)
Best Uses
Small Projects (1)
Home Repair (1)
Jobsite (1)
It gets the job done
This little drill is powerfull I use it on my job as an electrician , it does it all. For a 12v tool im really surprised , Ive had other brands in the 18v range and they dont compare. The hammer feature has enough power for light duty concrete task like blocks and so on.
May 31, 2020
Originally posted at
E-Clutch: Half-Baked Good Idea. Here's the Fix
The E-Clutch is a good idea to slowly start a screw that has only an indentation from a center punch, or no indentation at all. But the drill torque on the lowest setting still strips all screws if you are not very, very careful.

Yet here is my suggestion. First, the E-Clutch slow start (when you press the trigger is only for starting screws so it doesn't walk on you, correct? Hence, there should be just a separate "slow start" button for a ONE-TIME slow drill start to start a screw when you press the trigger. After, the drill turns 1 or 2 rotations the slow start goes away and the chosen torque setting is electonically enabled. Thus, you still get a torque control after the screw is started and near the end of the driving of the screw.

This "slow start" button is a ONCE PER TRIGGER enablement. That means you have to again press the this "slow start" button for the next slow start before you hit the trigger.

If you don't hit this slow start button, the trigger will automatically always choose the chosen torque setting and the drill will NOT do a slow start just like the traditional cordless drills by Milwaukee.

Hope this makes sense as there is essentially no torque control with this E-clutch drill as it is designed right now.
May 1, 2020
Originally posted at
Fantastic Drill
Got this with the matching fuel impact. I wanted a powerful drill in a smaller package, and Milwaukee’s m12 line fit the bill. It was a replacement for my old m12 brushed drill that i had lost (very sad day but then i got this. Insane amount of power for how small it is, very ergonomic and excellent build quality. Chuck feels solid and spins straight and true. I hope I never lose this thing.
February 25, 2019
Originally posted at
Would you recommend this product?
Ergonomic Design
Best Uses
Small Projects
Great Tool
Very small great gor tight places
February 21, 2019
1 year ago
Describe Yourself:
M12 gen 2 fuel hammer drill
My Milwaukee m12 gen 2 fuel hammer drill sucks. The chuck is hands down by far the worse. The wobble is so bad and it only like 2 months old. I have never seen a chuck this bad and it is suppose to be a premium tool. To drill precise hole I have to use my dewalt full size hammer drill. This is the reason I bought it, so I don't have to use my dewalt beast for small holes. It just sucks in have this m12 and it's a terrible tool.
February 14, 2019
Originally posted at
They are great tools I have a lot very happy
I recommend this tools they really good and I will buy more
November 19, 2018
Originally posted at
works great i would buy it again.
my last one worked like a champ for 4 years. I was going strong until I loaned it out and they dropped into water and used right after.
August 2, 2018
Originally posted at

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