VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 FUEL 1/2 in. Compact Impact Wrench w/ Pin Detent

Model number
2855P-20

The Milwaukee M18 FUEL 1/2 in. Compact Impact Wrench w/ Pin Detent is a compact cordless impact wrench built for automotive service, assembly work, and fastening in tighter spaces. Milwaukee lists a POWERSTATE brushless motor, a 1/2 in. pin-detent anvil, 0 to 2,400 RPM, and up to 3,500 IPM in a 4.9 in. body that weighs 2.4 lb bare. This tool-only configuration is aimed at users already on the Milwaukee M18 platform who want a shorter 1/2 in. impact wrench for lighter-duty to medium-duty fastening tasks.

identifiers stable · addressable
Model no.
2855P-20
Brand
Milwaukee
Category
Impact Wrench
Canonical URL
/milwaukee/impact-wrench/2855p-20-m18-fuel-1-2-compact-impact-wrench-w-pin-detent/
19 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Impact Wrench
Voltage (V)
18
Cordless / Corded
Cordless
Power Source
Battery
Motor Type
POWERSTATE Brushless
Tool Only
Yes
Batteries Included
0
Charger Included
No
Piece Count
1
Length (in.)
4.9
Weight (lbs)
2.4
Battery Platform
M18 FUEL
Hammer Function
No
One Key Enabled
No
Warranty
5-year limited
Anvil Size In
0.5
Anvil Type
Detent Pin
Max Speed (RPM)
2,400
Maximum Ipm
3,500

§ What's Included

01 (1) M18 FUEL 1/2 in. Compact Impact Wrench w/ Pin Detent (2855P-20)

§ Warranty

5-year limited

§ FAQ

Does the 2855P-20 include a battery or charger?

No. The 2855P-20 is sold as a bare tool and requires a separate Milwaukee M18 battery and charger.

What drive size and retention style does the 2855P-20 use?

It uses a 1/2 in. anvil with pin-detent retention.

Who is the 2855P-20 best for?

It is a good fit for buyers who want a shorter 1/2 in. impact wrench for service work and tighter access.