Established in 1905, Keystone Friction Hinge specializes in metal stampings and secondary assemblies. It serves the appliance, automotive, furniture, plumbing, wire brush and vibration control industries. The company has achieved ISO 9001-2000 certification. Keystone Friction Hinge is equipped with approximately 45 presses capable of running automatic progressive dies and secondary operations. It runs steel, stainless steel, aluminum, as well as other materials in a variety of sizes. The company offers a range of products, such as tabletop hardware, locker hinges, valve handles, and appliance covers and components. Keystone Friction Hinge also provides locker hooks, oven door hinges, truck motor mounts and wire brush components. It operates an engineering department and offers research and deployment capabilities.