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Discussion Starter · #1 ·
The top is slotted for a screwdriver. I saw a guy bore a hole in the concrete with a hammer-drill, then he used a hammer to drive one of these into the hole. He 'got them from his boss', but had no other information.
I would like to know what this nail/screw is named and where it could be purchased. Any help is appreciated.
 

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Average Joe
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I think it's called a perma-grip screw. You use that in the same method, pre-drill and hammer these in. I've never used them but I've seen them.

I personally hate placing tap-cons.

Powder actuated (Ramset) serves me fine 99% of the time, and that aroma of cordite is satisfying.:thumbsup:
 

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Discussion Starter · #3 ·
I think it's called a perma-grip screw...I've never used them but I've seen them...
Can you recall where you have seen them?

Powder actuated (Ramset) serves me fine 99% of the time, and that aroma of cordite is satisfying.:thumbsup:
It is a satisfying odor :laughing:
 
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