Or if it is 57mm you ll need a 76mm lock.
How to change door handle and lock on old door.
Before you learn how to change door locks measure the space where you ll install the replacement.
Your new lock must also have the same distance between the centre of the keyhole and the centre of the spindle that connects the handles as the old lock.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
Since most homes have multiple doors with multiple locks re keying can get expensive.
How to change a home door handle lock combo.
You ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with smart technology features.
If the distance from the edge of the door to the centre of the keyhole is 45mm you need a 64mm lock.
First we removed the hideous old door knob and deadbolt.
You can find a limited selection of door locks and handles at your local hardware store.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Our new door handle has a lower extension piece that sticks into the door and to fit the new handle on we needed to drill a hole.
Remove the interior knob and thumb turn lock hardware to expose the holes in the door.
Internal doors usually have lock centres of 57mm which represents the distance between the spindle of the door handles and the centre point of the keyhole.
Latch or lock size if replacing old door latches then it is important to consider the size of the face plate on the inside of your door and strike plate situated on the door frame as.
Measure from the center of the knob hole to the center of the lock hole to determine the spread.
You can re key a lock like a pro at a fraction of the cost.
Locksmiths typically charge a fee to re key an individual lock even when you bring it to their shop.
Select a new mortise latch and hardware that you want to replace the old set with for your storm door.
Your front door is the first thing people see when they enter your home.
Then we inserted the interior mechanism for both the new deadbolt and the door handle and screwed them in place.
Then for the exterior part of the door where the handle hardware was wiping with paper towel and a mild spray detergent should be sufficient.
