The Stanley GR29310 Hydraulic Underwater Grinder is a powerful, professional-grade cutting and grinding tool engineered for commercial diving, offshore maintenance, subsea construction, and heavy industrial applications. Featuring a 9-inch (230mm) grinding capacity and open-centre (O.C.) hydraulic configuration, this unit delivers exceptional torque, reliability, and control in fully submerged and demanding environments.
Built with Stanley’s legendary durability, the GR29310 is designed to operate continuously in saltwater, contaminated water, and harsh industrial conditions. Its high-torque hydraulic motor ensures smooth, stall-resistant performance when grinding steel, welds, concrete edges, marine growth, and structural components underwater or topside.
With its ergonomic side handle, rugged guarding, and corrosion-resistant construction, this underwater grinder provides maximum operator safety, stability, and productivity—making it the preferred choice for commercial divers, shipyards, offshore platforms, and civil marine contractors.
Key Features & Benefits
✅ 9" (230mm) Grinding Capacity – Heavy-duty material removal and cutting
✅ Open Centre (O.C.) Hydraulic System – Compatible with standard diver power packs
✅ High-Torque Hydraulic Motor – Smooth, stall-free grinding under load
✅ Fully Submersible Design – Safe operation underwater and topside
✅ Corrosion-Resistant Construction – Built for saltwater and harsh environments
✅ Ergonomic Handle & Guard – Improved control and operator safety
✅ Low Maintenance Operation – No electrical components
