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Sealing Rotary Hammers and other Demolition Tools

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Sealing solutions for hammer drills

Built to Endure: Sealing Excellence for Construction Power Tools

Overcoming the toughest resistances with penetrating power, whether it’s made of concrete or stone: With seals and molded elastomeric parts from Freudenberg Sealing Technologies, drilling and demolition hammers are in the best hands. Robust and wear-resistant, they ensure 100% performance and a long service life for drilling, chiseling, tearing and removal. With the aid of first-class, PAH-compliant sealing materials developed and manufactured in-house.

Products for Rotary Hammers and other Demolition Tools

Sealing Solutions from Freudenberg Sealing Technologies ensure the performance and longevity of powerful hammer drills and demolition hammers. These tools are used for drilling, chiseling, tearing down and removing even the toughest of materials, such as concrete and stone.

Dust Cap Sealing

Dust Cap

Original design with several scrapper edges and impact cams prevent damage

Damping Element

Damping Elements

Provide a long life span under harsh operating conditions due to innovative materials

Striker Scrapper

Striker Seals

Constant contact pressure through two components seals hold in lubricants and keep extremities out for better performance and durability.

Striker Seals

Striker Scrappers

Prevents axial movement of scrapper in the grove giving extra protection against dirt

Hammer Mechanism Seals

Hammer Mechanism Seals

Reliable sealing with up to 80% reduction in friction compared to O-rings.

Oil Seal Premium - Sinus Seal

Oil Seals / Premium Sine Seal

Innovative seal lip design without spring, with sinus-shaped seal edge provides up to 40% less friction and double lifetime.

radial bushing

High Performance Plastic

These components offer reduced weight (50-80% less than metal bearings), reduced thermal expansion, and load-dependent friction reduction compared to common plastic components.