Next put a new latch in and replace the door knob.
How to change door lock keys.
How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
I am a locksmith with 35 years experience.
Change the locks when your keys have been lost or stolen.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
If you have a window in or next to the door a lock with key cylinders on both sides is preferable as long as local codes allow and you keep a key within reach.
If your house keys are ever stolen one of your first orders of business is changing the locks on your doors so no one can gain access.
Alternatively you can buy a re keying kit for the lock you already have.
Before you learn how to change door locks measure the space where you ll install the replacement.
However rekeying a lock can also improve a building s security measures after a new home construction during which a number of people might have copies of door keys including contractors.
Having the combination changed is more affordable.
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