The door hinge is two components leafs attached together in a way so that it can swivel.
Door latch mechanism diagram.
The other to the door frame.
They are connected via a pin.
Often latches may be sticky broken or ineffective.
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When changing your latch you may want to consider a flexible latch for a deadbolt or a positive locking latch for added security since standard latches can be forced open easily.
Diagram showing the parts of a door lock including the knob rose cylinder latch assembly bolt and strike plate.
A latch is the portion of a door lock that extends into the door frame through the strike plate.
The bolt like object that ties the leafs together.
The attaching mechanism is usually a pin looks like a long bolt without the thread.
Door latch mechanism diagram.
The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets.
One leaf attaches to the door.
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The latch bore also known as the edge bore is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt.
A hinge has two leafs.
Door latch mechanism diagram.