The thread on it matches up with the thread on the door fixing and tightens it onto the door.
How to tighten gainsborough door handles.
We ll run through the process in a basic step by.
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The hole in the plate is usually for a privacy function it looks like the button is missing.
In this video we will show you how to install a door handle passage set.
One door has knobs that do not have the usual screws on the cover plate.
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These screws are behind the decorative cover plate between the inner door knob and the door.
Unless we can decipher which thread is damaged then you might need to replace the whole handle set.
Most door knobs attach to the door with long retaining screws that are visible.
The metal plate there appears to say gainsborough anyone know the trick to removing this kind of doorknob.
There s a rubber o ring around the lock body which holds the face plate steady it will come off fairly easily.
Put a knife or chisel at the back against the door and gently lever it forward put a rag behind the chisel to prevent damage to the paint.
If it does not tighten then there is a chance the thread is damaged and it will need to be replaced.
No screws at all except the two on the edge of the door that hold in the lock latch mechanism.