On 12/24/2013 8:35 PM, Red Green wrote:

They're Tapcons. Available in flat head like a wood screw or in hex head
like a bolt with an integrated washer. Predrill hole in concrete to a
specified size depending on the diameter of the Tapcon.

http://www.tapcon.com/products.asp


Sounds like the right item. I didn't see
flat head, but maybe they do have em?

Another mouse click or two, and I see
pictures of flat head phillips.

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Christopher A. Young
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