Alternatively you can buy a re keying kit for the lock you already have.
How to change locks on house doors.
Remove the rest of the deadbolt hardware from the door.
If you are at all worried about your safety or well being there is no reason not to do this.
To change the locks unscrew the door knob from the inside and pull the knobs apart.
In apartment complexes this is now the most common way of changing locks on a door.
Take your new deadbolt hardware and install it where the old one was.
Remove the cylinder plug from the cylinder the most critical part of this operation is removing the cylinder plug from the cylinder.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.
The top of the cylinder contains pins and springs which keep pressure on the keyed pins.
Before you learn how to change door locks measure the space where you ll install the replacement.
Insert the new knobs into the door opening.
Screw the new knobs into the door.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
After all a new lock can be purchased for as little as 15 at your local hardware store and installed in under 10 minutes.
Unscrew the two screws in the strike plate the metal plate surrounding the hole in the door jamb that the lock extends into when the door is closed.
Insert your new deadbolt.
Rekeying involves realigning the pins and springs in the inner workings of the lock in.
The door knob and dead bolt lock set tom demonstrated with was a plymouth single cylinder knob combo pack with a bright brass finish.
For the cost of your normal trade service call fee a locksmith will come to your new home and rekey up to six keyholes on functioning non electronic deadbolts and knobs on doors accessing your home s structural walls.
Remove the old strike plate and screw in.
Open your door so you can see the side of the lock the narrow part running along the inside of the door and locate and remove those screws as well.
By simply changing the deadbolts on all of the entryways to your home you can ensure no one can easily unlock the door and walk in.
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.