Supfina Machine Company, Inc.

181 Circuit Drive

North Kingstown, RI 02852 US


A Message from Supfina Machine Company, Inc.

Precision is our passion

That core value ​​drives us to be the technology leader for superfinishing, fine-grinding, and flat-finishing systems.

Precision abrasive finishing: Fine grinding

From aluminum to steel, from soft plastics to hard ceramics: No matter the workpiece properties, our new SPIRO F7 machine provides the best fine-grinding solution for achieving highly precise plane parallelism.

Precision abrasive finishing: Flat finishing

Supfina’s new FACE machine provides fast, versatile solutions for the high-precision, flat finishing of parts in a number of fields: injection technology, transmissions, hydraulics, and engines.

Superfinishing: Gear shafts

Designed on the modular principle, the Supfina M-660 is suitable for almost all superfinishing tasks on workpieces capable of being positioned between centers.

As Seen In Modern Machine Shop

Supfina Spiro F5 and F12

Fine-Grinding Machines Achieve Precise Plane Parallelism
IMTS 2018: Supfina adds the Spiro F5 and Spiro F12 to its line of fine-grinding machines for the batch mode processing of a wide range of parts.

Product Categories of Supfina Machine Company, Inc.

Buffing & Polishing Machines
Grinding Attachments & Accessories
Grinding Machines, Disc, Single or Double
Super (Micro) Finishing Machines
Superabrasive Machining Systems
Turning Attachments

Trade Names

Plant V