Velko Hinge offers only the finest heavy duty standard & custom hinges in up to 6 gauge steel. As a leading manufacturer since 1969, we work with steel, stainless & aluminum to create continuous hinges, butt hinges, slip & loose joint hinges, flag hinges, military hinges & specialty made-to-order, hard-to-build hinges. Serving such hinging needs as marine, trucking, industrial & heavy equipment.