CRAFTSMAN CRAFTSMAN V20 CMCF920B ½" Cordless Impact Wrench
Priced as of May 23, 2026
4.7(230 ratings)Buy on AmazonSaved to your guest loadout. Sign up to also save to your Cabinet (consumables) or Kit (tools you own).
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Prices may varyThe Podium · Top 3 in Impact Wrenches
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CarCareTruth's Analysis
Last reviewed May 26, 2026
TL;DR Brushless ½" cordless wrench rated 275 ft-lbs max fastening on the CRAFTSMAN V20 platform; adequate for passenger-car lug nuts but underspec for heavy-truck or seized-suspension work.
What it is and how it performs
Brushless ½" hog ring impact wrench rated 275 ft-lbs max fastening on the CRAFTSMAN V20 (20V MAX) Li-ion platform, stocked widely at Lowe's and Amazon. Bare tool ~4.0 lbs, 8.82" long, with 2 speed modes plus variable trigger. No independent torque meter test located; community evidence draws from fastener-removal outcomes only. Amazon corpus (4.7★, 230 reviews, Amazon's Choice) shows no stall-out pattern on passenger-car lug nuts. Electric, no air compressor required.
Who should buy this — and who should skip it
A home mechanic doing tire rotations and light under-car work on passenger vehicles, especially one already on the CRAFTSMAN V20 platform, will find this capable and platform-convenient. Skip it for heavy-duty truck wheel studs or seized suspension bolts; a higher-torque model with community-confirmed 500+ ft-lbs real-world output serves those jobs better.
Safety and environmental impact
No UL or ETL certification confirmed as of 2026-05-22. Li-ion battery, no documented thermal incidents. Hearing protection situationally appropriate for extended use. Standard e-waste disposal; Call2Recycle handles the V20 battery pack.
Frequently asked questions
Does the CRAFTSMAN CMCF920B come with a battery?▾
No. The CMCF920B is a bare tool — it includes the impact wrench only. A compatible CRAFTSMAN V20 (20V MAX) Li-ion battery and charger are sold separately. The wrench works with any battery in the CRAFTSMAN V20 platform.
Will the CMCF920B remove standard car lug nuts?▾
Community evidence from Amazon verified-purchase reviews (4.7★ across 230 reviews) supports reliable lug nut removal on standard passenger vehicles. No independent calibrated torque meter test was located — the 275 ft-lbs max fastening spec is from the manufacturer. For heavy-duty truck wheel studs or severely seized suspension bolts, this 275 ft-lbs rating is on the low end of the ½" class; a higher-torque model with community-confirmed 500+ ft-lbs real-world output serves those jobs better.
Is the CRAFTSMAN CMCF920B UL-listed?▾
No independent US safety certification (UL or ETL) was confirmed for the CMCF920B as of 2026-05-22. The UL Product iQ lookup was inconclusive for this model, and the Amazon listing does not state CE certification. The health score reflects a certification deduction.
From the manufacturer
Marketing copy from CRAFTSMAN, via Amazon. Not editorial.
- •DELIVERS TORQUE: 1/2-inch cordless impact wrench has up to 275 ft-lbs of max fastening torque
- •BRUSHLESS MOTOR: Up to 26% more runtime**
- •EASY SOCKET CHANGES: Battery impact wrench comes with a hog ring anvil for easy socket changes
- •ADDED CONTROL: Variable-speed trigger for added control
- •DIVERSE APPLICATION: 2 mode settings for a variety of applications
- •IMPROVED VISIBILITY: LED work light for added visibility
- •Battery and charger sold separately
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Manufacturer videos
Manufacturer images
Manufacturer specifications
- Color
- Black, Red
- Brand
- CRAFTSMAN
- Material
- Carbon Steel
- Item Length
- 8.82 Inches
- Item Weight
- 1.8 Kilograms
- Head Style
- Fixed Square
- Item Torque
- 275 Foot Pounds
- Operation Mode
- Battery
- Voltage
- 20 Volts
- Is Racheting
- Yes
- Is Non Sparking
- No
- End Style
- Socket End
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Top Amazon review
↗External — Amazon's most-helpful review for context.
Works well
My husband prefers the craftsman over his Milwaukee because of the weight.