"Veeduber" wrote in message
...
What are PKs?

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Hex head sheet metal screws with an attached, non-marring washer. PK's
are
what the world used before clecos.

Do a google for 'Riveting 101,' see if you find anything of interest.

-R.S.Hoover

Gosh, Veeduber, you're the natural successor to Tony Bingelis. I just read
the first of your three articles on Riveting 101 at Ron Wanttaja's website:
http://home1.gte.net/ikvamar/avlinks/.

Excellent.