Deadbolt locks extend through the doorframe and into the wall.
How to install door lock.
For added security take the time to learn how to install a deadbolt lock on every exterior door.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
Next put a new latch in and replace the door knob.
Alternatively you can buy a re keying kit for the lock you already have.
Doorknob locks offer little resistance to a determined burglar and what other kind of burglar is there.
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If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.
Installing a deadbolt lock is essential to protecting your home.