Door knocker’s are an inexpensive way to add visual appeal and practicality to an exterior front door entrance. If you have a little time and the appropriate tools, you can install exterior door hardware by following a few simple steps.
7 If bolts are too long, use a hacksaw to cut them to the appropriate length.Be careful when drilling through hollow doors. It is more difficult to drill a straight hole when working with a hollow door. Make sure the holes are drilled straight to keep the door knocker level.
Use a level to check the position of the knocker so it will not appear crooked.