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.
How to change door handle and lock on old door.
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.
If the distance from the edge of the door to the centre of the keyhole is 45mm you need a 64mm lock.
Select a new mortise latch and hardware that you want to replace the old set with for your storm door.
On a replacement set with a one piece exterior escutcheon that holds both the lock cylinder and latch the spread must match the holes exactly.
Or if it is 57mm you ll need a 76mm lock.
Then we inserted the interior mechanism for both the new deadbolt and the door handle and screwed them in place.
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.
First we removed the hideous old door knob and deadbolt.
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.
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.
Measure from the center of the knob hole to the center of the lock hole to determine the spread.
Make a good impression on guests by swapping out your old beat up lockset.
Since most homes have multiple doors with multiple locks re keying can get expensive.
Locksmiths typically charge a fee to re key an individual lock even when you bring it to their shop.
You can re key a lock like a pro at a fraction of the cost.
How to change a home door handle lock combo.
Re keying kits are available for most lock brands but they re not interchangeable.
Before you learn how to change door locks measure the space where you ll install the replacement.
Take care to measure carefully as matching the size can be especially problematic in older homes.