Sliding Glass Door Mortise Locks & Security

A sliding glass door mortise lock is a special type of lock that is set inside the door, which contains a hook that swings out to catch a keeper in the frame when the lock is engaged. Shop sliding glass door mortise locks and replacement parts for added security and convenience. Find the perfect lock to fit your sliding doors and protect your home or business. We carry single and two point mortise locks for sliding glass patio doors, secondary thumbturn locks, security latches, foot locks, charley-bars, patio door key cylinders and much more.