The two important variables when installing a lockset are the height of the knob above the finish floor and the backset the distance from the center of the knob to the near edge of the door.
How to install a door lock.
Door window maintenance.
The door locks for entrance doors are commonly designed in a very particular way.
How to install an entrance door lock.
These instructions provide steps for using a drill guide.
If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
Most knobs are positioned a comfortable 36 or 38 inches above the floor.
A lockset typically includes a paper template to help you accurately drill the latch and lockset holes in a new door but an optional door lock installation kit also known as a drill guide pictured at the right can make the project easier.
Install an entrance door lock.