VERIFIED · 2026 canonical · www.jaspecs.com

Milwaukee M18 1/2 in. High-Torque Impact Wrench with Friction Ring

Model number
2663-20

The Milwaukee 2663-20 is a brushed M18 high-torque 1/2 in. impact wrench with a friction-ring anvil for heavy fastening and equipment service work. Milwaukee lists 450 ft-lbs of fastening torque, 640 ft-lbs of nut-busting torque, a 0 to 1,900 RPM speed range, and a 6.7 lb bare-tool weight. It is a tool-only option for users who want a larger M18 impact wrench without moving to newer FUEL high-torque models.

identifiers stable · addressable
Model no.
2663-20
Brand
Milwaukee
Category
Impact Wrench
Canonical URL
/milwaukee/impact-wrench/2663-20-m18-cordless-lithium-ion-1-2-high-torque-impact-wrench-with-/
23 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Impact Wrench
Voltage (V)
18
Cordless / Corded
Cordless
Power Source
Battery
Motor Type
Brushed
Tool Only
Yes
Batteries Included
0
Charger Included
No
Piece Count
1
Height (in.)
8.25
Length (in.)
8.9
Weight (lbs)
6.7
Width (in.)
2.75
Battery Platform
M18
Anvil Size In
0.5
Anvil Type
Friction Ring
Max Speed (RPM)
1,900
Maximum Ipm
2,200
Max Torque (ft-lbs)
450
Nut Busting Torque Ft Lbs
640
Drive Control Modes
1
One Key Enabled
No
Warranty
2-year limited

§ What's Included

01 (1) M18 1/2 in. High-Torque Impact Wrench with Friction Ring (2663-20)

§ Warranty

2-year limited

§ FAQ

Is the 2663-20 sold tool-only?

Yes. Batteries and charger are sold separately.

What torque does the 2663-20 make?

Milwaukee lists 450 ft-lbs of fastening torque and 640 ft-lbs of nut-busting torque.

What anvil style does this version use?

The 2663-20 uses a 1/2 in. friction-ring anvil.