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Question:

How to install a lock on a metal door?

I live in an apartment complex, and my front door is metal. I recently bought a chain lock to attach to the front door. Since the door is metal is there any kind of special drill bit I will need to make the pilot holes for the screws?

Answer:

Your local hardware store or home improvement center will have self drilling screws made specifically for drilling into metal. Be careful not to run the screw in too fast and strip the hole. The one drawback is they don't come in colors. If you need a specific color you can always paint the heads.
You should first make sure that it won't void you contract with the apartment complex if you install it. Other than that a regular metal drill bit should be fine. If you want to make it easier on you mark out were the holes are going to be and take a metal punch to it first so the drill bit won't move on you while your drilling the holes.
haha we the mexicans are good 4 that easy cheap and fast!!!
I used to be a Locksmith. The best way is put some electrical tape or masking tape where you are going to drill, (this will stop drill slipping) then use a smaller HSS drill bit 1st, then go up to a size just under the size of the self tapping screw that you are going to use, job done !

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