how many in set
5
It works on wood,sheet metal, mechanical and other screws.
Was this Answer Helpful ?Yes, I removed Phillips case hardened screws from a commercial trailer with these when an air impace wouldn't get them out. I was quite surprised!
Was this Answer Helpful ?Yes, as long as your drill has the strength for how tight it was screwed in. I've seen it done in engines and machined parts in CNC Machines.
Was this Answer Helpful ?It claims to be able to.
Was this Answer Helpful ?I tried this on a sheet metal screw in my dryer, and I wasn't able to get the tool to engage in the head. I think that the screw was too hard for it to create the threads.
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