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Old 12-04-2003, 09:33 PM
John Desjardins John Desjardins is offline
Join Date: Feb 2000
Location: Central MA
Posts: 1,839
As a quick guess ~ 0.020 - 0.050" smaller than the butt od in the rod specs should get you in the ballpark.

You could wrap a thread around the rod a couple of times and then mark the thread at one location. Unwrap the thread, and measure the length. To get the diameter divide the length by (pi * # of turns).

If you need better accuracy spring for a micrometer or calipers.
John Desjardins
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