The No. 215-3 7/16″ (#3) Stainless Steel Plain Rim Grommet Die Set, made by C.S. Osborne & Co., is a professional-grade die set designed for precision setting of 7/16″ (#3) stainless steel plain rim grommets. CNC-machined from drop-forged, polished, high-grade tool steel, the dies are engineered for precision, durability, and long-term performance. Perfect for high-volume canvas, marine, and upholstery workshops, this die set delivers consistent, professional results in the most demanding environments.

We recommend using a soft-face malletsuch as the No. 395-3U Urethane Split Head Hammerwith this grommet setting die to prevent “mushrooming” of the punch and ensure clean, precise grommet installation.

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