Skip to content
4TH OF JULY SALE: Save Up to 40% for Americas 250th Shop Now >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order

$10
gift card

$250 Order

$25
gift card

$500 Order

$50
gift card

$1000 Order

$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 11/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

Milwaukee, M18 Brushless 1/2in. High Torque Impact Wrench, Drive Size 1/2 in, Volts 18 Model# 2666-20

Item# 5801309
Milwaukee, M18 Brushless 1/2in. High Torque Impact Wrench, Drive Size 1/2 in, Volts 18 Model# 2666-20

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Milwaukee, M18 Brushless 1/2in. High Torque Impact Wrench, Drive Size 1/2 in, Volts 18 Model# 2666-20

Click or Tap image to Zoom

$279.00

  • Shipping: 

    Free shipping (lower 48 states)

  • Store Pickup: 

    Not available - online only
  • REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Up to 800 ft-lbs of fastening torque & 1,200 ft-lbs of nut busting torque
  • The 1/2" friction ring anvil allows quick one handed socket changes
  • Brushless Motor delivers maximum power and long motor life
  • The Variable Speed Trigger allows for 0 - 1,750 RPM & 0 - 2,000 IPM for maximum control

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

Our M18™ Brushless 1/2” High Torque Impact Wrench delivers faster driving speeds and increased productivity without the hassle of a cord. The brushless motor delivers 0-1,750 RPM 2,000 IPM, optimized for driving lag bolts and concrete anchors on the jobsite. Paired with REDLINK™ technology and REDLITHIUM™ batteries, the Brushless High Torque will be able to drive (35) 6” x 1/2” lag bolts into pressure-treated lumber with a M18™ XC 4.0 Battery. A 1/2” anvil with friction ring will allow users quick and easy socket changes and the onboard LED light will provide greater visibility on the jobsite.

What's Included

    (1) M18™ Brushless 1/2" High Torque Impact Wrench w/ Friction Ring (2666-20)

Downloads

Product Manual Product Manual2

Features + Benefits

  • REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Up to 800 ft-lbs of fastening torque & 1,200 ft-lbs of nut busting torque
  • The 1/2" friction ring anvil allows quick one handed socket changes
  • Brushless Motor delivers maximum power and long motor life
  • The Variable Speed Trigger allows for 0 - 1,750 RPM & 0 - 2,000 IPM for maximum control
  • Integrated LED Light

Key Specs

AttributeSpecification

item#

5801309

Brand

Milwaukee

Manufacturer's Warranty

5 year limited warranty

Ship Weight

6.4 LB

Drive Size

1/2 in

Volts

18

Impacts Per Minute (IPM)

2,000

Retainer Type

Friction/Hog Ring

Cordless

Yes
AttributeSpecification

Motor Type

Brushless

Max. Forward Torque

800 ft-lbs.

Max. Reverse Torque

1,200 ft-lbs.

Max. Speed (RPM)

1,750

Tool Weight

5.84 lb

Storage Type

None

Product Weight

5.8400 lb

Dimensions L x W x H (in.)

8.75 x 3.23 x 9.0 in

Reviews

Questions & Answers

21 Reviews This action will navigate to reviews.

Questions

1–3 of 3 Questions  
Sort by:

  1. What country makes the majority of the components of the impact were(I don't care where it's engineered or assembled)?

    1 answer

    1. The impact wrench is manufactured in Vietnam.

      Helpful?

  2. How much torque

    1 answer

    1. It has up to 800 ft-lbs of fastening torque & 1,200 ft-lbs of nut busting torque.

      Helpful?

  3. Does this model 2666-20 come with a battery ?

    1 answer

    1. This is the tool only, it does not come with a battery or charger. See our item #62597 for a 5.0 battery and charger set. See item #51491 for just a 5.0 battery.

      Helpful?

Warranty

Manufacturer's Warranty

5 year limited warranty

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

Milwaukee, M18 Brushless 1/2in. High Torque Impact Wrench, Drive Size 1/2 in, Volts 18 Model# 2666-20
4.7 out of 5 stars. 21 reviews

Milwaukee, M18 Brushless 1/2in. High Torque Impact Wrench, Drive Size 1/2 in, Volts 18 Model# 2666-20

Item # 5801309

$279.00