tubular lock![click to hear](/images/speaker.jpg)
Lock whose knobs activate a latch bolt and is locked by pushing a button; it is used for interior doors.
outside knob ![click to hear](/images/speaker.jpg)
Knob located on the outer side of the door.
spindle ![click to hear](/images/speaker.jpg)
Extended part that manipulates the bolt when turned.
faceplate ![click to hear](/images/speaker.jpg)
Thin plate fastened to the edge of the door with an opening through which the bolt passes.
latch bolt ![click to hear](/images/speaker.jpg)
Part whose beveled end is activated by a doorknob; it catches automatically in a strike plate when the door is closed.
inside knob ![click to hear](/images/speaker.jpg)
Knob located on the interior side of the door; it contains a push-button.
rose ![click to hear](/images/speaker.jpg)
Decorative plaque with an opening in the center allowing the doorknob to turn.
bolt ![click to hear](/images/speaker.jpg)
Metal threaded peg ending in a head; it screws into a nut.
nut ![click to hear](/images/speaker.jpg)
Hollow cylinder of metal whose lining is threaded to screw onto a corresponding bolt.