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Summary: Learn how to mark a secure hole to install a sliding glass door lock. Improve your home security system with these tips from a professional locksmith. Get step-by-step instructions for this do-it-yourself home improvement security measure.
Daniel has worked as a professional Blackjack (21) & Craps Dealer since 2004. He has worked with Casino Concepts in San Diego California as a Dealer for Hire, where he's dealt for...read more
"In this clip, we're going to be marking the securing hole for our sliding glass door lock. Up to this point, we've mounted the lock, but if we push it in all it's doing is hitting the secondary door and not locking. This is a little tricky because there really is no way to measure to get the hole, so what I do is I take my Sharpie, I push the lock in, then I simply mark around the hole, and then just drill in the center of my marks. It is somewhat of a eyeball process, so you just want to be careful. If in doubt, mark it a couple of time and make sure that you feel comfortable with where it's at. With that being said, again, I'm just going to press it in until it hits the door. I can get my Sharpie pretty much…"