To: | antennas <antennas@mailman.qth.net>, towertalk <towertalk@contesting.com> |
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Subject: | [TowerTalk] pipe tap drill size |
From: | r miles <greenacres113@charter.net> |
Reply-to: | "Tower and HF antenna construction topics." <towertalk@contesting.com> |
Date: | Thu, 11 Mar 2010 14:05:45 -0500 |
List-post: | <towertalk@contesting.com">mailto:towertalk@contesting.com> |
I am putting two gusset plates to hold truss supports on my homebrew 30m Moxon. I'm using 1/4'' X 20 bolts. It's been 40 yr.s since I worked in a machine shop. Don't have the proper hole size chart for taps anymore. I assume the hole size to be threaded 1/4 x 20 is less than 3/16''. Anyone have a chart showing the proper size.TNX K9IL _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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