This allows you to pull the door knobs off the door from both sides.
How to fit a internal door lock.
Tape measure pencil flat drill bit for wo.
Turn the key so the locking bolt protrudes from the lock and hold the door against the door frame.
Create a mortise for the plate around the latch on your door using the technique described above.
Shake the door a bit to make sure it is secure.
If the doorknob is on the left you need a left handed door.
This video is about how to fit a door latch and door handle in an interior door.
In some cases door latch plate mortises might need to be cut or enlarged.
Fit the wedge into the bottom of the door as close to the wall as possible.
Tools needed for this job.
This process will vary somewhat based on the doorknob you are installing.
Hold the door latch against the face of the door flush with the door edge and mark the spindle centre on your previously marked centre line see fig 1.
If you re installing a pre hung door make sure you get the correct swing determined by the placement of the hinges and doorknob.
Open the door and stand with your back to the hinges.
Place a wedge at the bottom of the door to keep it in place.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
Begin by removing the screws from the door knob on the interior side of your door.
Then use a drill to make the necessary holes for installation of your doorknob door handle and lock.
If the knob is to the right select a right handed door.
First mark out the place where the strike plate has to be fitted.
Using a square mark this centre line for approximately 4 100mm on the face of the door the pencil mark can be removed later with an eraser or damp cloth.