Labeled Parts Of A Door Lock Site

[Exterior Door Side] [Door Edge] [Interior Door Side] ____________________ ___________ ____________________ | | | | | | | [Keyhole] | | Faceplate| | [Thumb Turn] | | (Cylinder Face) | | _______ | | (Turnpiece) | | | | |Latch- | | | | [Cylinder Ring] | | | bolt | | [Interior Rose] | | |===========| |_______| | | | [Exterior Rose] | Door | [Dead- | | [Retractor] | | | Thick- | latch | | (Internal) | | | ness | Plunger]| | | |__________________| |_________| |__________________| | [Strike Plate] on Door Frame This breakdown covers the five key functional groups: (handles/thumb turn), security logic (cylinder/pins), latching mechanics (latchbolt/plunger), mounting hardware (roses/screws), and frame interaction (strike plate).

Anatomy of a Standard Door Lock (Cylindrical Type) labeled parts of a door lock