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Alloyman
Alloyman 1/2 in. Cordless Impact Wrench

Alloyman 1/2 in. Cordless Impact Wrench

4.3· 11 ratings

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$99.99at AlloymanObserved at 12:16 PM

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Our take on the Alloyman 1/2 in. Cordless Impact Wrench

The Alloyman 1/2 in. Cordless Impact Wrench is a 20V brushless impact gun with a 1/2-inch square drive, three speed settings and a variable-speed trigger. Alloyman rates it at 750 N.m, though the listing also cites 520 ft-lbs (650 Nm), so treat the top figure as optimistic. It ships with one 4.0 Ah lithium-ion battery that charges in about an hour and has an onboard gauge. At $99.99 at Alloyman as of November 4, 2026, it is the only new price listed, so there is no recent range to compare against.

Best forDIYers and home mechanics on a tight budgetLug nuts and suspension work on passenger carsBuyers who want one battery and charger in the boxOccasional farm, trailer and lawn-equipment repairs
Pros
  • Brushless motor with three speed settings and a variable-speed trigger
  • 1/2-inch square drive fits standard impact sockets
  • 4.0 Ah battery and one-hour charge included
  • Onboard battery gauge shows remaining runtime
  • Compact 10.43-inch body for a high-torque gun
Cons
  • Torque rating is inconsistent: 750 N.m vs. 650 Nm in the same listing
  • Battery is not compatible with DeWalt or other major systems
  • Only one battery included, so no spare for long jobs
  • No published breakaway torque or nut-busting figure
  • Thin review base of 11 ratings

Alloyman 1/2 in. Cordless Impact Wrench prices at every store

  • AlloymanNew

    In stock

    $99.99Observed at 12:16 PM
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Alloyman 1/2 in. Cordless Impact Wrench price history

Lowest price we've seen: $99.99 on Nov 4 at Alloyman. Tracked across 1 store since Nov 4.

What reviewers say

Reception is limited: 11 ratings average 4.3 out of 5. Owners generally report it handles lug nuts and general repairs for the money, with few detailed long-term reports.

Pros
  • Enough power for lug nuts and routine car repairs
  • Good value for a brushless gun with battery included
  • Three speeds and the trigger make control easy
Cons
  • Battery life and spare-battery cost come up
  • Some doubt the claimed torque figures
  • Few reviews, so long-term durability is unclear

Specifications

Power Source
Electric
Power Voltage
20V
Motor Torque
750 N.m
Motor Type
Brushless
Motor Speed Settings
3
Torque Range
750 N.m
Speed Range
Up to 2000 RPM
Driving Power
520ft-lbs (650Nm) torque power for tough sockets
Speed Control
Variable speed trigger
Number Of Speed Settings
3
Battery Voltage
20V
Battery Type
Lithium Ion, Li-ion
Battery Capacity
4.0 Ah
Number Of Batteries Included
1
Battery Charge Time
1 hour
Battery Run Time
Onboard battery gauge shows remaining runtime
Chuck / Drive Size
1/2 inch
Chuck / Drive Type
Square drive (1/2 inch)
Chuck / Drive Subtype
Fixed Square
Battery System Compatibility
Not compatible with Dewalt batteries
Length
10.43 Inches (26.5 cm)
Tool Type
Impact Wrench
Tool Subtype
Power Impact Driver, Electric Impact Gun
Tool Series
750N

Questions and answers

Is the Alloyman impact wrench worth it at $99.99?
At $99.99 at Alloyman as of November 4, 2026, it is cheap for a brushless 1/2-inch gun with a 4.0 Ah battery and charger. It makes sense for occasional car and equipment work, less so for daily shop use where pro brands have better battery ecosystems.
Does it really make 750 N.m of torque?
The listing gives both 750 N.m and 520 ft-lbs (650 Nm), so the real figure is likely closer to 650 Nm. That is still enough for most passenger-car lug nuts, but do not expect heavy truck or rusted bolt removal.
Can I use DeWalt or Milwaukee batteries in it?
No. The listing states it is not compatible with DeWalt batteries, and it uses Alloyman's own 20V pack. Budget for a spare Alloyman battery if you plan long jobs.
What comes in the box?
You get the wrench, one 20V 4.0 Ah lithium-ion battery and a charger that fills it in about an hour. Sockets are not listed as included, so you will need your own 1/2-inch impact sockets.
How long does the battery last?
Alloyman does not publish a runtime figure. The onboard gauge shows remaining charge, and a full charge takes about an hour; heavy lug-nut work will drain the 4.0 Ah pack faster than light assembly work.
How does it compare with a corded impact wrench?
A corded gun gives constant power and usually more torque for the same money, but you need an outlet. This one runs anywhere, which matters for roadside and driveway work.
Where is the Alloyman 1/2 in. Cordless Impact Wrench cheapest?
At Alloyman, for $99.99, as of our latest check.
What do buyers say about the Alloyman 1/2 in. Cordless Impact Wrench?
Rated 4.3 out of 5 from 11 ratings.