If you want to change the key in your lock it s likely you ll have to replace the lock cylinder.
How to change door lock core.
How to change a lock.
Over the course of these instructions i wi.
Interchangeable lock cylinders are often found in residential and office doors while storefront lock cylinders are typically found in the doors for retail outlets and businesses.
They utilize an internal lock that interacts with the trim of the.
Cylindrical door locks for entry doors are internal keyed locking mechanisms.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
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Using a normal key turn your old core to the unlocked position please note that there are a few locks that must be in the locked position to remove.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Lock cylinders can also be found in the ignition in most vehicles.
How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
Remove normal key and insert the control key into the old lock and then pull the lock core straight out from the cylinder body.
How to change the lock cylinder in an entry door.