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Elastic ST Flex normal backlash couplings, in aluminium, steel, stainless steel AISI 303 and polyamides and also zero backlash in red oxidated aluminium and nickelplated steel. All items are worked by machines, polyurethane stars 94° and 98° Shore A.

Flexible couplings in zincplated yellow passivated steel, with Ni Cr hardened steel pins, with neoprene elastic inserts, sizes from 90 until 160. All items can be anodising, phosphating or zinc plating on request.

Wide productions of couplings
Machining tool
Materials’ certificate (steel, aluminium, cast iron)
Treatments on request

Examples of sectors and areas of application

We offer integrated technologies and services that ensure efficiency, quality, and reliability, solidifying our leadership in custom mechanical transmission solutions.

Through a deep understanding of market dynamics and the specific needs of our clients, we develop customized products that accurately address every industrial challenge, actively contributing to the technological advancement of various sectors.


Our extensive experience gained in recent years and developed by collaborating with leading companies in the agricultural sector, has enabled us to expand our production range, adapting it to the constant demands for durability and optimization typical of this sector.

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With our extensive experience in the food industry, we respond to and understand our clients’ needs, providing effective and tailored solutions through the use of specific materials suitable for the food sector.

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Specialingranaggi is a trusted partner for companies in the nautical sector, reflecting a dedicated commitment to providing high-precision and innovative mechanical transmission solutions.

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We produce and import precision mechanical components with a lean production perspective, distinguishing ourselves as a benchmark for manufacturers of packaging and packaging machinery.

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