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RE: Eyebolts & Eyenuts

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I would use the ASTM A 563. It is the applicable specification for most all carbon and alloy nuts.

Match the proof loads required in F 541 the with the proof load of the nuts in A 563 . Even a galvanized heavy hex Grade A should develop the capacity of any F541 eye bolt.

If in doubt, you can use the galvanized A325 bolt as an example and use an A 563, Grade DH galvanized nut.

Harold Sprague

From: "M. David Finley, P.E." <pec(--nospam--at)>
Reply-To: <seaint(--nospam--at)>
To: <seaint(--nospam--at)>
Subject: Eyebolts & Eyenuts
Date: Wed, 18 Aug 2004 14:49:29 -0400

ASTM F541 covers eyebolts.  Can someone point me to a spec for eyenuts?

The application is a traffic signal pole. The eyebolt extends through the pole and receives the eyenut in order to provide an eye on each side of the pole. The cables supporting the signals attach to the eyebolt eye and the guy wires attach to the eyenut eye.

David Finley

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