Durham-Duplex (USA) Inc is machine knife manufacturer with inventory in Waynesboro, VA and Aurora IL. The Company specialises in the manufacture of all types of machine knives and industrial blades particularly those used in the food process and packaging industries. Products include toothed knives for VFFS, carton sealers, zigzags, flow wrap knives & anvils, tray Knives, toothed coil, Circular blades, industrial razor blades, scissors and meat & food processing blades. The parent Company has 3 factories in Sheffield, UK with subsidiaries in USA, EU and Asia. It has operated under the Sheffield Machine Knife badge in USA since 2015 and has incorporated as Durham-Duplex (USA) Inc in 2025 to better serve its US customers. | Durham Duplex / Sheffield Machine Knife is a family owned manufacturer and distributor o machine knives, safety knives and industrial razor blades. We produce over 36,000 different circular, straight, zig zag and toothed machine blades for a huge variety of industries. We carry over $3,000,000 in inventory to cover the worlds more popular packaging and processing machines and also have a full custom made facilities to produce items to your exact design and specification. Knives are available in carbon and stainless steel, High Carbon High Chrome and High speed steels together with long life low friction coatings and advanced fine grain tungsten carbides and solid ceramic. Our main areas of interest are food processing, packaging and plastics, however, we also produce knives for the automotive parts, vehicle glass, recycling, labeling, extrusion, animal feeds, and many many more. | Sheffield Machine Knife is part of Durham Duplex, a manufacturer of straight, circular, serrated and zig-zag machine knives and industrial razor blades. We offer a comprehensive inventory of globally used products plus a complete custom manufacture and design facility and our current portfolio covers over 36,000 different cutting edges manufactured from carbon, stainless, high chrome and high speed steels. In addition we can offer solid tungsten carbide and solid ceramic for extended wear life and a range of low friction long life PVD coatings. We are based in Waynesboro, VA and headquartered out of Sheffield, England. The company has products distribution from our facilities in the UK, USA, Belgium and Thailand with local distributers in over 60 countries.Industries served include: Food processing Food Packaging Plastics and recycling Film & Foil convertingWith over 115 years experience as a manufacturer providing cutting solutions to our customers in the global market we are exhibiting at Pack Expo Las Vegas to both see existing customers and meet new ones. With a full design and manufacture capability underpinned by our ISO 9001:2025 accreditations we can assist with any cutting edge requirements whether looking for a reliable supply partner or improvements to your processes within the restrictions of your machinery type. For further information contact either Dave Nelson, our US Sales Manager, by email at dave.nelson@durham-duplex.com or contact the sales team at sales@durham-duplex.co.uk | Sheffield Machine Knife / Durham Duplex is a manufacturer and distributor of straight, circular, serrated and zig zag machine knives and industrial razor blades. We offer a comprehensive inventory of globally used products plus a complete custom manufacture and design facility and our current portfolio covers over 36,000 different cutting edges manufactured from carbon, stainless, high chrome and high speed steels. In addition we can offer solid tungsten carbide and solid ceramic for extended wear life and a range of low friction long life PVD coatings. We are head quartered out of Sheffield England and have distribution from our facilities in the UK, USA, Belgium and Thailand and local distributers in over 60 countries.With over 115 years experience providing cutting solutions to our global market we are hear to improve your machines cutting ability to make it the best you can possibly achieve.