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Stanley GR29 Underwater Grinder

Stanley GR29 Underwater Grinder

Ref: GR29 30101

Stanley GR29 Underwater Grinder is used by divers and extensively fitted to ROV’s. Due to its high power and variable speed range this versatile can be used for grinding, cutting, polishing and the removal marine growth.

EC Hopkins offer from stock a wide range of accessories for these applications such as our diamond All-cut and All-grind discs, spin on discs, wire wheels, surface conditioning discs and barnacle bashers.

The integral Stanley Hyrevz gear motor is manufactured to exacting standards to deliver unrivalled levels of performance and reliability. The tool is supplied with a plastisol coated handle for comfort and a side assist handle which can be fitted to either side of the machine.

EC Hopkins maintain high stock levels of underwater tools, spares and accessories and can offer rapid UK and Worldwide delivery.

Stanley GR29 Grinder Specifications

  • Capacity: 9 in. wheel on 5/8 in. -11 arbor
  • Rpm: 2700 @ 10 gpm (2700 @ 38 gpm)
  • Weight (with guard): 14 lbs. (6.4 kg)
  • Length: 11 in. (28 cm)
  • Width (with guard): 12 in. (30.5 cm)
  • Pressure: 1000 - 2500 psi (70-176 bar)
  • Flow range: 4-10 gpm (15-38 lpm) at the commercial diver
  • Optimum flow: 10 gpm (38 lpm)
  • Porting: -8 SAE O-ring
  • Motor: Stanley Hyrevz Gear


  • Grinding wheels are sold separately
  • 4-10 gpm (15-38 lpm) operating range at the commercial diver end
  • 2700 rpm @ 10 gpm (38 lpm)
  • Adjustable wheel guard
  • Assist handle with plastisol covering


The GR29 Grinder is suitable for a wide range of tasks and EC Hopkins offer a wide range of cutting and grinding consumables for this and all the stanley underwater tools.

Consumables include standard abrasive discs through to diamond discs. Please click on the PDF files below to see the range of accessories and consumables for the GR29 Grinder .

GR29 Cutting & Grinding Accessories 05-2015.pdf

GR29 Scaling & Cleaning Accessories 06-2015.pdf

Data Sheet Barnacle Buster 04-2015 v3.pdf

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Contact Details

EC Hopkins Limited Hydraulics
Unit 1,
82 Kettles Wood Drive
Woodgate Business Park
Woodgate Valley
B32 3DB

Tel: +44 (0)121 506 6095
Fax: +44 (0)121 421 8286