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May 17, 2008

What type of screw is this?

What type of screw is this?

The lock on my front door is fastened using screws like this. Does anyone know what they may be called, what type of driver would be used, and where I might be able to find one?

Thanks...

Comments

I've had to deal with those screws. I think they are call tamper resistant screws. Often they are used for window bars for kids. Your hardware store should be able to sell you a special screwdriver.

Posted by: Rick at May 17, 2008 11:14 AM

McMaster-Carr sells them as well

Posted by: bunkerlabs at May 17, 2008 12:29 PM

There are so many different types of tamper resistant screws on the market that you probably will not be able to get that exact configuration. If you are in too big of a hurry to wait for an online order, buy a screw extractor (you have to drill a small pilot hole in the head and then you thread in the screw extractor which has threads that run counter-clockwise, so while you are threading in the screw extractor, it's actually going to be loosening the other screw).

Posted by: Bond at May 17, 2008 2:36 PM

If you would like to get the driver to remove that screw without leaving 11215- go to Greshlers on 5th ave b/t 19th and 20th. As an alternative Mayflower on Bergen St. will have it as well.

Posted by: southslope at May 17, 2008 5:58 PM

Thanks for the comments. I don't mind ordering them online. Is there a name for this type of screw?

I'll go down to Greshlers with a picture if I can't find a place to order it from.

Thanks again...

Posted by: pwhite at May 17, 2008 6:08 PM

Just in case anyone wants to know what type of screw head this is, it's called a "Tri-Groove" head. McMaster-Carr does indeed have them.

Posted by: pwhite at May 17, 2008 6:43 PM

McMaster-Carr is always the place for this type of thing

Posted by: guest at May 18, 2008 5:43 AM

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