Profile: R. K. International is a manufacturer & supplier of hinges that includes ball movement butt hinges, and cut & narrow hinges. We are an ISO 9001:2008 certified company. We offer uneven flap hinges in thicknesses ranging from 12 gauge to 18 gauge in matt and satin finish. We offer heavy weight one piece tower bolt in half round and half square design in matt(satin) and double tone finish. A hinge is a bearing like product that joins two surfaces like wooden blocks, steel, or aluminum plates. Our butt hinges are widely used in fabrication of gates and grills. Our deluxe serried hinges are made in satin finish. Hinges are also known as clamps, and widely used in doors and windows.