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The Stanley IW12 is a medium duty ¾” square drive impact wrench designed for underwater bolting and drilling applications. Powered by a Stanley integral Hyrevz motor, the IW12 has a durable swing hammer impact mechanism with adjustable impact intensity from 250 to 1200 ft lbs (340 to 1632 Nm) of torque. Designed to run from a wide range of hydraulic circuits, this wrench allows underwater bolting in the most extreme applications. Trigger guard and hi-visibility yellow paint is standard.

Specifications

Capacity ¾” / 19 mm
Square Drive
 
Torque 250 -1200 ft lbs /
340-1632 Nm
 
Flow Range 4-12 gpm / 15-45 lpm
Working Pressure 1000-2000 psi /
  70-140 bar
Full Relief Setting 2250 psi / 155 bar
Weight 14 lbs / 6.4 kg
Length 11¼” / 28.6 cm
Width 4″ / 10.2 cm
Hydraulic Ports -8 SAE O-ring
Connect Size 3⁄8″ Male Pipe Adapter
and Type  
Couplers (See Ordering
Information)
 
Hose Whips No (See Accessories)

Features

  • Integral Stanley Hyrevz gear motor produces high torque
  • Stainless Steel spools and fasteners
  • Forward-Reverse with variable speed
  • Pistol grip style handle
  • Adjustable impact intensity
  • 1200 ft lbs/1632 Nm of maximum impact torque
  • Oversized trigger with guard for operator comfort
  • Plastisol handle for comfortable ergonomic grip
  • Durable swing hammer mechanism
  • Cast-in lifting eyeordering information

    Part number

    IW12340C Impact Wrench, Underwater, ¾” Square Drive, less couplers

    IW1234001  Impact Wrench, Underwater, CE, ¾” Square Drive, with couplers

    Accessories

    03971   Flush-Face Coupling Set, 3⁄8″ NPT

    03974   Flush-Face Coupling Set, ½” NPT

    06830   Hose Whip 18″ long, -8 SAE x ½” NPT

    31848   Dual Hose, 50′ x ½”, with couplers

    31972   Dual Hose, 25′ x ½”, with couplers

    58633   Twinned Hose, 25′ x ½”, with couplers

    58634   Twinned Hose, 50′ x ½”, with couplers

    01857   Adjustable Chuck & Adapter ¾” sq female x ¾” Chuck

    When hydraulic hose exceeds 100′ (30.4 m) in length, increase I.D. of both pressure and return hose. For more information, consult Stanley Hydraulic Tools.