2022 Manufacturer Identification Symbols, International Guide (PDF)
This unique guide illustrates fastener manufacturers’ marks applied to their products and contains markings for over 2100 companies in 41 countries, including both active and inactive marks. You cannot find a more complete and up-to-date compilation of manufacturers’ marks! Use it for identification of purchased fasteners, inventory traceability, maintenance repair, replacement, and auditing of potential customer inventory racks.
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Industrial Fasteners Institute
IFI represents North American fastener manufacturers to their suppliers, customers, the government, and the public at large to advance the competitiveness, products, and innovative technology of the IFI Member Companies in a global marketplace.