The Stanley IW12 is a robust hydraulic underwater impact wrench engineered for medium-duty bolting and drilling tasks in subsea environments. Featuring a 3/4" square drive and delivering adjustable torque from 250 to 1200 ft-lbs (340 to 1632 Nm), this tool is ideal for underwater construction, maintenance, and offshore operations.
Powered by Stanley’s integral Hyrevz™ motor and built with a durable swing hammer mechanism, the IW12 offers outstanding reliability in harsh subsea conditions. It is designed to operate across a wide hydraulic flow range (4–12 GPM), making it compatible with a variety of hydraulic power units.
Key Features:
Drive Type: 3/4" square drive
Torque Range: 250–1200 ft-lbs (340–1632 Nm), adjustable impact intensity
Hydraulic Flow Range: 4–12 GPM (15–45 LPM)
Operating Pressure: 1000–2000 PSI (70–140 bar)
Maximum Relief Setting: 2250 PSI (155 bar)
Weight: 6.4 kg (14 lbs)
Dimensions: 286 mm (L) x 102 mm (W)
Ports: -8 SAE O-ring, 3/8" male pipe adapter
Ergonomic pistol grip handle with plastisol coating for comfort
Oversized trigger with guard for ease of use in tough conditions
Forward/Reverse variable speed control
Cast-in lifting eye for convenient handling
Stainless steel spools and fasteners for corrosion resistance
High-visibility yellow finish for easy identification underwater
Applications:
Subsea bolting and drilling
Offshore oil and gas maintenance
Marine construction and underwater infrastructure
ROV-assisted fastening operations
The Stanley IW12 delivers consistent performance in extreme underwater environments—trusted by professionals across marine and offshore industries.
