Industrial hinges are jointed devices that allow an attached part, such as a door or window, to swing.   Choices for industrial hinges types include butt hinges, half-mortised hinges, torque friction hinges, concealed hinges, continuous hinges or piano hinges, knife hinges, latch hinges, overlay hinges, pin hinges, quick release hinges, slip joint or flag hinges, spring hinges, spring pivots, inside stop hinges, outside stop industrial hinges, strap hinges, and weld-on hinges.