Processing of industrial stones in Ruby and Synthetic Sapphire material for precision industry.

The Frieden sa company is a leader in gemstone cutting.

Swiss made since 1919

Since 1919 Frieden SA has specialized in high precision stone cutting in Sapphire and Synthetic Ruby material internationally.

Nearly centuries of experience in the industry allows us to guarantee high quality as well as high precision of the required parts. With specialized technicians and equipment, Frieden SA is able to develop new products by agreement with the customer in small quantities for testing and to supply products in large-scale series.

After starting out as a supplier of stones for the Swiss haute horology market in the early postwar years, today Frieden SA is able to
provide solutions in a wide variety of industrial and research fields: medical industry, optics, biotechnology, communication industry, inkjet printing, waterjet cutting, space and aeronautics industry, the IT industry, oil and marine research, precision instruments, chemical industry and other fields.

Exceptional product advantages

• Hardness and high wear resistance;
• High precision with millesimal tolerances;
• Polished finishes down to optical level;
• Resistance to heat, friction, corrosion and deformability;
• Non-magnetic properties; 
.
• High dielectric grade.

Product types

Starting from the raw material of sapphire and ruby, the Frieden SA can produce : 

• Conical stones for gas, liquid or airflow passage, with 0.0027mm holes;
• Nozzles for inkjet printing;
• Waterjet cutting nozzles;
• Nipples for medical and biomedical applications;
• Isolators, cylinders and tubes;
• Blades/blades for knives for various applications;
• Lenses;
• Sapphire valves with Ruby ball seats and sapphire plungers;
• Windows in various shapes (round, square and rectangular);
• Wire guides for various applications;
• Sapphire and ruby spheres for valves, profiles and fiber optic connectors.