This is the spring loaded piece that protrudes past the door keeping the door closed.
Inside door handle mechanism.
The bolting mechanism is the metal piece that extends from the center of the doorknob into the door frame s latch hole to keep the door closed.
Inner working of a simple door handle mechanism and how to reverse the latch.
They are a quality replacement for worn out broken or missing factory parts.
The bolting mechanism has a spindle that retracts from the door frame when one of the handles is twisted allowing the door to open.
The door release mechanism also holds the door handle and multiplies the force of you pulling back the handle and transfers it to the door latch mechanism to open the door.
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The splines where the handles mount are the same dimensions as the originals and will provide years of service.
How doers get more done.
Perhaps the most important of all door handle parts is the latch mechanism.