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The Stanley Hydraulic GR29 Grinder is a right angle grinder (“vertical grinder”) that can be used for grinding and cleaning in underwater applications with a variety of wheels, brushes and attachments. The high torque gear motor drives a standard 5⁄8 – 11 threaded spindle. A 9″ adjustable wheel guard, two position assist handle and trigger guard are standard. Painted hi‑visibility yellow.

SPECIFICATIONS

Capacity 9″ / 23 cm Wheel
   
Spindle 5⁄8″ – 11 Threaded
Circuit Type Open Center
   
Flow Range 4-12 gpm / 15-45 lpm
   
Working Pressure 1000-2000 psi /
70-140 bar
 
   
Full Relief Setting 2250 psi / 155 bar
   
RPM 3200 @ 12 gpm /
45 lpm
 
   
Weight 15 lbs / 6.8 kg
(with guard)
 
   
Length 11″ / 28 cm
   
Width 10¼” / 26 cm
(with guard)
 
   
Hydraulic Ports -8 SAE O-ring
   
Connection 3⁄8″ Male Pipe Adapter
Size and Type  
Couplers Varies with model
(See Ordering
  Information)
   
Hose Whips No (See Accessories)
   

FEATURES

  • Integral Stanley Hyrevz gear motor produces high torque
  • Stainless Steel spools and fasteners
  • Two position assist handle for right/left hand operation
  • Oversized trigger with guard for diver comfort
  • Adjustable wheel guard for infinite positions
  • Plastisol covered handle for comfortable ergonomic grip
  • Use with grinding wheels, hull scrubbing brushes, wire and nylon brushes, barnacle busters and Desmond wheels
  • 3200 rpm @ 12 gpm
  • Cast-in lifting eyeORDERING INFORMATION

    PART NUMBER

    GR29310 Grinder, Underwater, less couplers GR2930101 Grinder, Underwater, couplers, CE

    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

    02587   Grinding wheel for metal, 9″ diameter x

    5⁄8 – 11 thd

    02588   Grinding wheel for masonry, 9″ diameter x

    5⁄8 – 11 thd

    03691     Grinding wheel, 7″ diameter x 5⁄8 – 11 thread

    05194 Adapter, 58 – 11 thread, depressed center wheel 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

    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.