In article
,
Ecnerwal wrote:

http://www.mcmaster.com/#tapping-screws/=i9w201

Well that was useless - darned websites that don't use real pages.

Look at triangular shank wood-to-metal thread-forming screws.

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Cats, coffee, chocolate...vices to live by
Please don't feed the trolls. Killfile and ignore them so they will go away.