Learn how to replace or change the security door lock under three minutes.
How to replace a security screen door lock.
Cylinder will then pull out.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
Loosen and remove the machine bolts from the inner half of the body with a screwdriver or a screw gun.
Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of the bolt.
Open the screen door to access both sides of the lock body.