This architectural drawing is an Exterior door latch design in detail AutoCAD 2D drawing, dwg file, CAD file. Doors are fastened and kept closed using a form of mechanical hardware called a door latch. A door latch prevents the door from swinging while maintaining normal function when the latch is released by using a fastener attached to two normally separated surfaces, most frequently the door and the frame. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.