GR29 Underwater Grinder

100527-N-1134L-003 BRIDGETOWN, Barbados (May 27, 2010) Navy Diver 2nd Class Sam Elliot, left, assigned to company 26 of Mobile Diving and Salvage Unit (MDSU) 2, instructs a Barbados Coast Guard diver on the proper way to use a hydraulic grinder underwater. MDSU-2 is participating in Navy Diver-Southern Partnership Station, a multinational partnership to increase interoperability and partner nation capacity through diving operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Chris Lussier/Released)

GR29 Underwater Grinder

Product Overview

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.

Features & Benefits

GR29 Underwater Grinder Technical Specifications

Model	GR29
Capacity	9 IN. / 23 CM WHEEL
Spindle	5⁄8 IN. – 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 (With Guard)	15 LBS / 6.8 KG
Length	11 IN. / 28 CM
Width (With Guard)	10¼ IN. / 26 CM
Hydraulic Ports	-8 SAE O-RING
Connection Size And Type	3⁄8 IN. MALE PIPE ADAPTER
Couplers	VARIES WITH MODEL(SEE ORDERING INFORMATION)
Hose Whips	NO (SEE ACCESSORIES)