Residential door lock compatibility and replacement considerations

https://charlie-wiki.win/index.php/Residential_door_lock_compatibility_and_replacement_considerations

When swapping out a residential door lock, you need to check the borehole size, backset, and crossbore pattern to ensure the new lock fits the existing prep. Standard deadbolts and keyed entry sets aren't always interchangeable; some require a larger hole or different latch front. Also verify the door thickness and edge bore alignment, especially for smart locks that need wiring clearance. Matching the correct handing and considering the lock's security rating avoids a forced fit or extra drill…