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October 26, 2021

Professional Tool Reviews for Pros


Bosch Cordless Impact Wrenches

Take a Quick Look at the Complete Line of Bosch Cordless Impact Wrenches

Stuck nuts and bolts are no laughing matter. That’s why Bosch has spent the last few years fleshing out a complete line of 18V Cordless Impact Wrenches. With everything from entry-level models to mid and high-torque models, Bosch has something for every flavor of professional tradesman.


Bosch GDS18V-221N 1/2″ Impact Wrench

Optimized for use with the next-gen CORE18V battery platform, Bosch has designed this 1/2″ impact wrench with a light and compact frame. And as an added bonus, it includes an Auto Bolt Release setting that stops rotation when there is no torque on the tool to prevent accidentally dropping bolts during removal.

This entry-level 1/2″ impact wrench features a brushless motor that delivers 221 ft-lbs. of torque, a maximum 3,400 ipm, and a max 2,400 rpm. What’s more, Bosch has packed this kind of power into a 2.77-lb. wrench with a 6.4″ head length.

Read the whole story by clicking here.

18V EC Brushless 1/2″ Impact Wrench with Friction Ring Specs

  • Model: Bosch GDS18V-221
  • Kit Model: GDS18V-221B25
  • Battery: Core18V
  • Drive: 1/2 in. square friction ring
  • Dimensions (HxLxW): 7.7 x 6.4 x 3 in.
  • Speed (no-load): 0-2,400 RPM
  • Impacts: 0-3,400 IPM
  • Torque: 221 ft-lbs.
  • Auto Bolt Release
  • Weight (bare tool): 2.77 lbs.
  • Warranty: 1 year limited
  • Kit Price: $299

Bosch HTH181B 1/2″ Impact Wrench

Bosch engineered this 18V Cordless High-Torque Impact Wrench for fastening high-torque nuts and anchors. With its brushless motor, it delivers up to 500 ft.-lbs. of torque (which we’d qualify as mid-torque). It also produces up to 2,100 ipm and up to 1,900 rpm.

It features a spring-loaded hammer and anvil system that moderates the torque reaction to give you better control over your driving power and control. Meanwhile, the square drive with pin detent and true flat anvil design helps with changing out sockets.

Bosch 18V High-Torque Impact Wrench Specs

  • Kit Model: Bosch HTH181-B25
  • Motor: Brushless
  • Drive: 1/2 in. square drive
  • RPM: Up to 1,900
  • IPM: Up to 2,100
  • Torque: Up to 500 ft.-lbs.
  • Dimensions (L x H x W): 10 x 8.5 x 3 in.
  • Weight: 5.2 lbs. (without battery)
  • Warranty: 1 year
  • Kit Price: $399

Bosch HTH182B 7/16” Impact Wrench with Pin Detent

If the last impact wrench sounded like your speed, but you just wish it had a 7/16″ hex chuck, don’t worry—Bosch has you covered. The Bosch cordless 7/16″ impact wrenches carry the exact same specs as the other high-torque model, except with a design that’s geared toward fast-changing bits and driving industrial-duty fasteners.

Bosch 18V High Torque 7/16″ Impact Wrench Specs

  • Kit Model: Bosch HTH182-B25
  • Motor: Brushless
  • Drive: 7/16 in. quick change anvil
  • RPM: Up to 1,900
  • IPM: Up to 2,100
  • Torque: Up to 500 ft.-lbs.
  • Dimensions (L x H x W): 10 x 8.5 x 3 in.
  • Weight: 5.2 lbs. (without battery)
  • Warranty: 1 year
  • Kit Price: $469

Bosch GDS18V-740N ProFactor 18V 1/2″ Impact Wrench

The Bosch GDS18V-740N is designed to break free and drive large nuts, bolts, and anchors quickly. As part of the new Bosch ProFactor Tools line, it features a BiTurbo brushless motor that can provide up to 740 ft.-lbs. of fastening torque and 1,180 ft.-lbs. breakaway torque.

It has controlled power output with three different speed/torque settings. You can set this ProFactor impact wrench to 0-800/1,200/1,750 rpm.

Bosch ProFactor 18V 1/2″ Impact Wrench with Friction Ring Specs

  • Model: Bosch GDS18V-740N
  • Motor: BiTurbo Brushless
  • Battery Voltage: 18V
  • Drive: 1/2″ Square Drive
  • Dimensions (LxHxW): 8.7 x 9.5 x 3.4 in.
  • No Load RPM: 0-800 / 1,200 / 1,750
  • Torque: 740 ft-lbs.
  • Warranty: 1 year
  • Price: $249 (bare tool)

Bosch GDS18V-770N 3/4” Impact Wrench

The Bosch ProFactor line of cordless impact wrenches also includes a 3/4″ drive. This actually has just about the exact same specs as the GDS18V-740N. It has the BiTurbo brushless motor, but this model showcases a negligible bump in torque. It provides up to 770 ft.-lbs. of fastening torque and 1,250 ft.-lbs. of max breakaway torque.

This model also showcases some controlled power output with the same available speed settings. These settings are toggled via the onboard user interface that also displays your tool status and controls the LED light.

It also features a 3/4″ square drive that includes a friction ring with a thru-hole.

Bosch ProFactor 18V 3/4″ Impact Wrench with Friction Ring and Thru-Hole Specs

  • Model: Bosch GDS18V-770N
  • Motor: BiTurbo Brushless
  • Battery Voltage: 18V
  • Drive: 3/4″ Square Drive
  • Dimensions (LxHxW): 8.7 x 9.5 x 3.4 in.
  • No Load RPM: 0-800 / 1,200 / 1,750
  • Torque: 770 ft-lbs.
  • Warranty: 1 year
  • Price: $249 (bare tool)

Bosch PS82BN 12V 3/8” Impact Wrench

Let’s face it, 85% of what you actually need an impact wrench for can be accomplished with about 85 ft.-lbs. of torque…which is, coincidentally, what the Bosch 12V 3/8″ Impact Wrench provides from its lightweight and maneuverable frame.


The Bosch PS82 features a brushless motor that provides up to 2,600 rpm and 3,100 ipm. This seems impressive considering its 5.5″ head length and 1.6-lb. weight.

Bosch 12V 3/8″ Impact Wrench Specs

  • Kit Model: Bosch PS82-02
  • Power Source: Bosch 12V battery pack
  • No Load Speeds: 0-1,200/0-2,600 RPM
  • Impact Rate: 0-2,700/0-3,100 BPM
  • Maximum Torque: 85 foot-pounds (1,020 inch-pounds)
  • Length: 5.4″
  • Weight (with battery): 2.2 lbs.
  • Warranty: 1-year limited
  • Price: $149 (bare), $199 (kit)

Did We Miss Anyting?

If we know anything, it’s that 1) we’re not perfect, and 2) Bosch keeps adding new tools to their lineup. If you see anything we’ve missed in the world of cordless Bosch impact wrenches, please leave us a note in the comments below.

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