Harbor Freight Tools


20V Cordless 1/2 in. Impact Wrench - Tool Only

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This impact wrench with 1/2 in. anvil delivers up to 450 ft. lbs. breakaway torque and of fastening torque

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The BAUER™ 20V Cordless 1/2 in. Impact Wrench is designed to deliver superior performance and durability. Powered by a high performance motor to produce 450 ft. lbs. of breakaway torque for removing lug nuts and head bolts with ease. Combined with the Hypermax™ Lithium battery system for fast charging and longer runtime.

  • High performance motor delivers 450 ft. lbs. breakaway torque for the most demanding applications
  • 1/2 in. anvil with heavy duty hog ring for secure socket retention
  • Variable speed trigger for precision control
  • Bright LED light illuminates work area for increased visibility
  • All-metal gear construction improves life and durability
  • Textured overmold for secure grip and comfort

Replacement Parts in Stock

Call to Order: 1-800-444-3353

Important Information

  • Tool only, BAUER™ 20V Lithium-Ion battery and charger sold separately. For best results use 3.0 Ah battery, model 1702C-B

We think you’ll enjoy these customer-made YouTube videos about our products. They’re independent, uncut and unsponsored. They may also contain some four-letter words that aren’t “tool” and other content that’s not appropriate for children. We hope these videos help inform your tool-buying decisions. And a note from the lawyers: Products should always be used in accordance with the owner’s manual.

63629, 56176
Bulb Type
Battery type
Battery voltage (volts)
Battery(s) Included
Drive Size
1/2 in.
Speed (max)
0-2000 RPM
Motor type
Product Height
7-1/2 in.
Product Length
8-7/8 in.
Product Weight
4.20 lb.
Product Width
2-1/2 in.
Shipping Weight
4.90 lb.
Impact (BPM)
0-3300 IPM
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.