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Old 02-19-2019, 03:20 PM
David Henry David Henry is offline
 
Join Date: Apr 2010
Posts: 818
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You might have an easier time looking for a 13/16ths by 20 TPI which has a crest diameter of .8125 according to my questionable mathematics. D.H.

Last edited by David Henry; 02-19-2019 at 03:40 PM.
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