Gotta agree with Pete. Industry has perfected the design of screws over the past 140 years, esp.
since Sellers debuted the Sharp V in 1869. The strength/sectional density balance is pretty much
optimized. Change either and the other is adversely impacted. Those seriously interested in high
strength connection of sheet metal should seek another medium. Ever hear of a boiler held together
with screws?

Bob Swinney
"spaco" wrote in message
.. .
Answer: weak.

Pete Stanaitis
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Existential Angst wrote:
snip

But here's the Q:

Can I get REALLY deep thread screws? What would they be called, or their
application classification?