Take care to measure carefully as matching the size can be especially problematic in older homes.
How to change a door lock without key.
Next put a new latch in and replace the door knob.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
For added security you can even try installing a double sided fingerprint door lock that might require a code to be opened from the inside and the outside.
Locksmiths typically charge a fee to re key an individual lock even when you bring it to their shop.
Examine the handle and trim on the interior side of the door.
The key pins correspond to specific groove cuts on a key and these are the main elements that are targeted in the attempt to unlock a door without a key via lock picking.
Before you learn how to change door locks measure the space where you ll install the replacement.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.
Since most homes have multiple doors with multiple locks re keying can get expensive.
Regular door locks can be easily compromised and picked because someone could copy your locks in some way.
You can re key a lock like a pro at a fraction of the cost.
You ll probably have to replace the lock with a cracked or warped locking mechanism soon anyway so consider doing so first.
Rekeying won t fix a worn or damaged lock.
Re keying kits are available for most lock brands but they re not interchangeable.
30 things to remember when on the hunt for a new home 3.
If you want to pick a lock in order to unlock a door without a lock you will need some basic lock picking tools.
Alternatively you can buy a re keying kit for the lock you already have.
There may be a small pinhole holding the handle in place.
Insert the pin straight through the lock cylinder to reach the lock s release mechanism.
Jamming the wrong key into a lock or.
Like all mechanisms with moving parts a lock eventually wears out.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.