Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
Put chain lock on door.
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Take care to measure carefully as matching the size can be especially problematic in older homes.
Before you learn how to change door locks measure the space where you ll install the replacement.
The slide catch should be mounted close to the edge of the door.
A door chain security chain or security door chain consists of a small chain attached to the door frame which attaches to a track on the door for security purposes.
Chain locks allow you to open a door partially to see who s there instead of greeting strangers and potential predators with doors wide open.
How do i install a chain lock on a steel door.
This is a mortise lock that has an this is a mortise lock that has an adjustable spring loaded hook latch projection for surface mounted sliding patio doors constructed of wood aluminum and vinyl with handle sets with vertical keyway position when in the locked position.
They are also much harder to force open than normal locks.
It also fits doors using w f manufactured handles.
The mounting hole centers of this lock measures 3 11 16 in.
Ask question asked 9 years ago.
I ve tried millions of things to get a hole in the steel door.
Is a 12 volt drill not powerful enough.
When installing a security chain remember that the chain is always mounted on the stationary surface while the slide catch is mounted on the door.
I m tring to install a chain lock on the inside of my home.