Jamming the wrong key into a lock or.
How to change door lock key.
Alternatively you can buy a re keying kit for the lock you already have.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Next put a new latch in and replace the door knob.
This does not change the cost of the item for you.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
In both of these cases the latch or bolt is moved through rotating a key in a door lock cylinder or a knob to lock and unlock the door.
Some lock manufacturers offer matching locksets making this process much easier than doing it yourself.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
Most hardware stores with trained staff can change the pins and copy a key.
Re keying locks prevents you from throwing away a lot of good locks that can still be fixed.
However electronic locks also have parts known as actuators that are used to connect the cylinder or the bolt to a tiny motor set inside the unit.
Like all mechanisms with moving parts a lock eventually wears out.
You ll probably have to replace the lock with a cracked or warped locking mechanism soon anyway so consider doing so first.
How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
Each manufacturer will place a key code on the box and you just match all the locks and your keys will work right out of the box.
Learn to re key a lock.
Re keying locks gives you the option of using one key for all the exterior doors.
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If you are purchasing locks for your door you can buy them with matching keys.
Rekeying won t fix a worn or damaged lock.
First replace the lock.
A key lock cylinder a deadbolt assembly an interior turn assembly a steel strike plate typically not necessary mounting hardware note that some of the links on this page are affiliate links.
Before you learn how to change door locks measure the space where you ll install the replacement.