Those interested in 'bolt markings' may want to take a look at
http://www.nyct.net/~pn/Bolts.html Also contains info on wire rope,
shackles and other fasteners.
Dean -- W4IHK
-----Original Message-----
From: k3fy@arrl.net <k3fy@arrl.net>
To: TowerTalk@contesting.com <TowerTalk@contesting.com>
Date: Thursday, February 05, 2004 5:18 PM
Subject: Re:[TowerTalk] rohn 45 leg bolts
Proper Spec. and marking as follows:
SAE J429 Grade 2 No Markings on Head
SAE J429 Grade 5 Three Radial Lines on Head
SAE J429 Grade 8 Six Radial Lines on Head
UNC or simply NC National Coarse
UNF or simply NF National Fine
Mark Holzbach K3FY
www.badensteel.com
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|