Southco F6 series concealed hinge designs provides durable performance "behind-the-scenes" while maintaining attractive aesthetics on the front of the enclosure. Completely concealed hinges allow for flush exterior surface design, more security and better aesthetics. Metal hinges deliver strength and durability for heavier cabinet door applications. Engineered plastic quick-release hinge provides a lightweight, non-conductive, non-corrosive option with dual hinge points for greater stability. Removable pin designs provide a more economical option for tool-free door removal. Spring-loaded retractable pin designs lock into retracted position for easier door installation/removal, lock into engaged position for secure operation. Standard duty and compact/economical versions are available in choice of steel or stainless steel. High-strength all-stainless versions accommodate heavier doors, resist vibration and corrosion. Multiple frame-leaf options are available to match formed sheet metal enclosures. Industry applications: computers; construction equipment, off-highway vehicles, farm equipment; electronic enclosures; exhibits/signs; food equipment; furniture; HVAC; industrial enclosures; industrial machines, machine tools and metal cutting; marine; medical; networking; railway; telecommunications; vending machines.