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Nemo IW-18V-3Li-50 Cordless Underwater Impact Wrench - 1/2" Square Drive (Two 3Ah Batteries) AVAILABILITY: Normally Ships in 1-5 Business Days


The world’s first waterproof cordless impact wrench works on land and underwater up to 50m, allowing commercial divers and construction workers to carry out a wide range of fastening applications.

  • Made for commercial diving and underwater construction

  • Submersible up to 50 meters

  • Two 18V 3Ah lithium-ion batteries



Delivering 170ft-lbs of maximum torque, the Nemo Impact Wrench is powerful yet compact, weighing in at only 2.9 kg (6.39lbs) and measuring just 6 inches long. Its ergonomic design means increased comfort on the job, and it features a built-in high-power LED light to illuminate the work area. Nemo’s impact mechanism is manufactured using the best raw materials, including the highest quality steel, and is finished with a unique heat-hardening process for maximum durability.

The Nemo Impact Wrench has a maximum operating depth of 50m (164ft) and a salt-water resistant black and red paint job. It comes with a durable carrying case, a battery charger, a pressure valve, and a pump to pressurize the drill.

**ATEX approved**

Additional Information

Additional Information

SKU 141638
Weight 7
Country of Manufacture China
Mfr. Model Number IW-18V-3Li-50
Link to User Manual No
Link to Schematics No
Link To Catalog No
Technical Specifications
No Load Speed (variable speed)

0-2100 RPM

Impacts Per Minute (variable speed)

0-3200 IPM

Max Torque

179 Nm (132 ft-lbs)

Square Drive

1/2 in

Overall Length

6 in

Net weight

2.8kg (6.17 lbs)

Submersible up to

50m (164 ft)

Free Shipping Yes

Product Questions

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Is the drill considered intrinsically safe to use in natural gas atmospheres.
Do you rent the Nemo 1/2” impact Gun and 1/2” Nemo Drill?