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Why are hex head bolts hex rather than Octagonal (or square?)
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Don Bruder
Posts: n/a
In article et,
Lew Hartswick wrote:
jim rozen wrote:
Don't see many hexagonal rocks.
:^)
Jim
PS. I think columnar basalt is hexagonal, or at least some
of it.
...lew...
ALL naturally occurring quartz crystals are hexagonal in cross-section...
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