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Milwaukee 2662-21 M18 1/2" High-Torque Impact Wrench with Pin Detent Kit

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Item Number:MLW2662-21
Stock Number:2662-21
Availability:In Stock
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Milwaukee 2662-21 M18 1/2" High-Torque Impact Wrench with Pin Detent Kit

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The 2662-21 includes:

  • 1x Milwaukee 2662-20 M18 1/2" High-Torque Impact Wrench with Pin Detent
  • 1x Milwaukee 48-11-1828 M18 REDLITHIUM XC Extended Capacity Battery
  • 1x Milwaukee 48-59-1812 M18 & M12 Multi-Voltage Charger
  • 1x Case


  • Milwaukee 4-Pole Frameless Motor: Features a robust design combined with rare-earth magnets for longer life, more power and more runtime than any brushed competitor
  • REDLITHIUM Battery Technology: Superior pack construction, electronics, and performance deliver more work per charge and more work over pack life than any battery on the market
  • REDLINK Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger

Get superior socket retention in a powerful, compact, long-running impact wrench. The M18 Cordless Lithium-ion 1/2" High-Torque Impact Wrench features a Milwaukee 4-pole motor and powerful impact mechanism to deliver a reliable 450 ft-lbs of torque with maximum runtime. The REDLITHIUM Extended Capacity Battery Pack (sold separately) delivers more work per charge and more work over pack life than the competitors, as well as best-in-class performance in extreme jobsite conditions. You'll get consistent speed control between 0-1900 RPM and 0-2200 IPM with the variable-speed trigger. The 2662-20 has a 1/2" anvil with detent pin to ensure maximum socket retention.

The M18 Impact Wrench's onboard, real-time battery fuel gauge helps you monitor the charge precisely, so there's less downtime on the job. Lightweight and portable, with superior ergonomics, this 18-volt cordless power tool offers ultimate comfort during prolonged use.

WARNING: California's Proposition 65

Hog Ring Anvil vs. Detent Pin Anvil

Hog Ring Anvil: Socket comes on/off easier. Best where quick bit changes are needed.

Detent Pin Anvil: Holds the socket much more firmly, small pin needs to be depressed to remove socket. Best for high scaffolding work and where safety is a major factor.


  • Milwaukee 48-11-1828 M18 REDLITHIUM XC Extended Capacity Battery:
    • M18 Lithium-Ion batteries offer increased run time and weigh 40% less than a typical 18v NiCd battery
    • Excellent cold weather resistance allows the battery to provide nearly full run-time down to -4°F (-20°C)
    • V-Technology batteries provide fade-free power from the first to last use on a charge
    • No memory effect means you can charge your battery at any time with any amount of charge remaining and not limit the maximum charge the battery can take
    • LED fuel gauge lets the user check battery charge level at any time even when the battery is not attached to a tool or charger
    • Not compatable with Milwaukee V18 tools
  • Milwaukee 48-59-1812 M18 & M12 Multi-Voltage Charger:
    • Charger compatible with any M12 or M18 battery pack
    • Saves space and minimizes the need for various chargers on the jobsite
    • Communicates with individual battery packs to manage voltage, temperature and charge level
    • Sequential charging technology means first in, first charged

Tech Specs:

  • Brand: Milwaukee
  • Model: 2662
  • MPN: 2662-21
  • UPC: 45242358755
  • Type: Impact Wrench Kit
  • Milwaukee 2662-20 M18 1/2" High-Torque Impact Wrench with Pin Detent:
    • Brand: Milwaukee
    • Model: 2574
    • MPN: 2574-20
    • UPC: : 45242189991
    • Type: Impact Wrench
    • Voltage: 18V
    • Length: 8-7/8"
    • Peak Torque: 450 ft-lbs
    • No Load Speed: 0-1,900 RPM
    • No Load IPM: 0-2,200
    • Tool Warranty: 5 Years
    • Package Qty.: 1
  • Milwaukee 48-11-1828 M18 REDLITHIUM XC Extended Capacity Battery:
    • Brand: Milwaukee
    • Model: 48-11-1828
    • MPN: 48-11-1828
    • UPC: 045242155385
    • Type: Cordless Battery
    • Voltage: 18V
    • Battery Type: 2.8 Ah Lithium-Ion
    • Package Qty.: 1
  • Milwaukee 48-59-1812 M18 & M12 Multi-Voltage Charger:
    • Brand: Milwaukee
    • Model: 48-59-1812
    • MPN: 48-59-1812
    • UPC: 045242271276
    • Type: Battery Charger
    • Battery: Any M18 or M12 Battery Pack
    • Voltage: 12V & 18V
    • Warranty: 5 Year
    • Charge Time: 1 hour
    • Weight: 2.01 lbs
    • Package Qty.: 1
2 Reviews
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100% Recommend this product (2 of 2 responses)
By Charlene Lamirande
Russellville KY
February 3, 2020
Great product and a great price
The Milwaukee High-Torque Impact Wrench will not disappoint!!! It will get the job done and the price I was able to get it for on tools plus was amazing.
It was much cheaper than I had found it anywhere else. Milwaukee is a great brand and I would highly suggest it to anyone.
ProsPower, price
By Eric
Somerset pa
June 16, 2019
So far so good
I have not had this product very long bit works great so far

ProsBreaks lug nuts Raises camper up on Jack stands Battery last long

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