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Small metal pins of varying lengths inside the cylinder. The correct key aligns these pins at the "shear line," allowing the plug to turn. The Latch and Strike Assembly
Before we dive into the labeled parts of a door lock, it's essential to understand the different types of locks available. The most common types of door locks include: labeled parts of a door lock
These ensure the handle and latch return to their original positions after being released. Small metal pins of varying lengths inside the cylinder
A metal rod that connects the handles on both sides. When you turn the knob, the spindle rotates to retract the latch. security logic (cylinder/pins)
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).
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