Durham-Duplex, based in Sheffield, UK, is a world leader in the design, manufacture and distribution of machine knives. Over a hundred years of experience guarantees products that ensure the highest English quality. This is confirmed by the “Made in Sheffield” mark recognized all over the world. We offer a wide selection of machine knives used mainly in the PTS, food, packaging and paper industries. We make knives for over 250 machine manufacturers, including toothed, circular, disc, packing, straight knives made of carbon steel, stainless steel, metal alloys, high-speed steel and many others. At the customer’s request, we make knives with coatings that extend their service life (ceramic coatings, tungsten carbide, TiN), reduce friction (PVD coatings) and increase sliding (ceramic coatings).