How to Punch Out / Knock Out Hole in Patio Door Handle for Keyed Lock
This is a super short tutorial on how to punch out / knock out a hole in a patio door handle so a keyed cylinder can be installed. This will allow the sliding door to be locked or unlocked from the exterior with a key.
This video applies to a number of our handles, all of which are available on our website: http://www.allaboutdoors.com. The part numbers for these handles are: 14510, 14113, 14417, 14267, 14268 and 14114.
The cylinder is also available on our website here, as part #15033: