Nemo SDS Rotary Hammer – underwater cordless rotary hammer for depths up to 50 m

Professional waterproof rotary hammer for use on land and underwater.

The Nemo SDS Rotary Hammer is a professional cordless rotary hammer designed specifically for work in wet environments and underwater. It allows for drilling into concrete, wood, and steel and is designed for use at depths of up to 50 meters.

Thanks to its cordless design, no power cord is needed while working. The powerful motor offers a rotation speed of up to 1,040 rpm and an impact rate of up to 5,000 impacts per minute. The combination of power, mobility, and a waterproof design makes this hammer the ideal tool for professional divers, underwater construction work, structural maintenance, and other demanding tasks underwater.

Key Benefits

• Designed for professional work both underwater and on land
• Maximum operating depth of up to 50 m
• Waterproof design for underwater work
• Drilling into concrete, wood, and steel
• Cordless operation with a Li-ion battery
• Rotation speed up to 1,040 rpm
• Impact rate up to 5,000 impacts/min
• Individual impact energy 3.2 J
• Maximum torque 35 Nm
• Robust construction suitable for demanding work environments
• Weight approximately 5 kg including battery

Powerful underwater drilling

The Nemo SDS Rotary Hammer delivers the power needed for fast and efficient drilling even in demanding conditions. A frequency of up to 5,000 blows per minute and an impact energy of 3.2 J enable efficient drilling in concrete and other materials.

The optimal drill bit diameter for concrete is approximately 6–16 mm.

Designed for professional divers

The hammer is engineered with the specific requirements of underwater work in mind. The absence of a power cord facilitates handling and allows the diver to work without the restrictions caused by a cord.

With a maximum operating depth of 50 meters, it is suitable for a wide range of professional applications—from underwater drilling and anchoring to maintenance and construction work below the surface.

Technical Specifications

• Model: RH-22V-6Li-50
• Type: SDS cordless hammer drill
• Working depth: up to 50 m
• Power supply: 22 V Li-ion
• Battery capacity: 6 Ah
• Number of batteries: 2
• No-load speed: 1,040 rpm
• Torque: 35 Nm
• Impact rate: 5,000 impacts/min
• Energy per blow: 3.2 J
• Optimal drilling diameter in concrete: 1/4–5/8" (approx. 6–16 mm)
• Weight including battery: 5 kg
• Maximum immersion depth: 50 m

Package contents

• Nemo SDS Rotary Hammer
• 2× 22 V / 6 Ah Li-ion batteries
• Power adapter depending on the selected model

Ideal applications

• Underwater construction work
• Underwater concrete drilling
• Drilling and anchoring of underwater structures
• Maintenance of ports and marinas
• maintenance of boats and marine structures
• professional diving work
• work in wet and demanding environments

Nemo Power Tools

The Nemo SDS Rotary Hammer is a professional power tool designed for use underwater and in demanding wet conditions. It combines the power of a classic rotary hammer with a design that allows for safe operation at depths of up to 50 meters.