About – Munro Fastenings Munro Fastenings is a family owned and operated business that has been selling grommets and grommet machinery since 1961. During this time Munro has acquired extensive knowledge of this industry, with Munro Fastenings is a family owned and operated business that has been selling grommets and grommet machinery since 1961. During this time Munro has acquired extensive knowledge of this industry, with particular regard to the grommet setting equipment currently available in North America.