Underwater Cutters & Grinders

EC Hopkins supplies a comprehensive range of professional‑grade underwater cutters, grinders and subsea saws designed for commercial diving, offshore maintenance, marine engineering, and ship repair applications. Our product portfolio includes hydraulic and pneumatic underwater tools from leading manufacturers such as Stanley, Spitznas, and our own EC Hopkins-engineered underwater grinders.

  • Stanley 9″ Underwater Grinder – heavy‑duty hydraulic grinder suitable for aggressive material removal, weld dressing, marine growth removal and structural steelwork preparation.
  • EC Hopkins 5″ Underwater Angle Grinder – compact, high‑speed grinder ideal for precision cutting and grinding in confined subsea spaces.
  • EC Hopkins Underwater Straight Die Grinder – designed for detailed grinding, deburring and port cleaning in underwater engineering tasks.
  • Stanley 10″ Underwater Hydraulic Cut-Off Saw
    A robust subsea cutting solution capable of slicing through steel, rebar, pipework, structural sections and marine infrastructure. Optimised for high cutting speed and low vibration to improve diver safety and efficiency
  • Underwater Diamond Chainsaws – For specialist applications requiring deep, controlled or irregular cuts,

Accessories & Spare Parts: A full range of underwater cutting and grinding consumables is available from stock:

  • grinding and cutting discs (5″–9″), finishing discs and flap wheels, wire and nylon brushes, barnacle bashers for marine growth removal
  • diamond segments and chains, replacement hydraulic components and seals

EC Hopkins also provides comprehensive spare parts support for all underwater tools supplied, ensuring long‑term serviceability and reduced downtime for commercial diving operations.

Showing all 11 results

Underwater Grinders

Ideal for:

  • Weld preparation
  • Surface cleaning
  • Corrosion removal
  • Marine growth removal
  • Cutting steel plate
  • Finishing work

Compact models such as the Hopkins GR05 are designed for precision work, while larger models like the Stanley GR29 and the Hycon HAG09UW are suited to heavier-duty grinding and cleaning.

Underwater Cut-Off Saws

Best suited to:

  • Structural steel
  • Pipework
  • Rebar
  • Marine structures
  • Offshore maintenance
  • Demolition

Explain the advantages of larger cutting discs and hydraulic drive for demanding subsea applications.

Die Grinders

Suitable for:

  • Weld inspection
  • Deburring
  • Precision grinding
  • Cleaning confined areas

The Hopkins PG03 is a good example of a compact tool developed specifically for these tasks.

Underwater Ring Saws

Ideal where deeper cuts are required than conventional cut-off saws can achieve, the HRS400 is an excellent underwater ring saw.