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RE: What Is The Material Spec For "Lag Screw"?

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I don't have a copy of it either but here is a link to the ASTM description

http://www.astm.org/cgi-bin/SoftCart.exe/DATABASE.CART/PAGES/A307.htm?L+myst
ore+lqbn3240

Chris Daniels

 -----Original Message-----
From: 	Bill Polhemus [mailto:bill(--nospam--at)polhemus.cc] 
Sent:	Saturday, June 02, 2001 1:48 PM
To:	seaint(--nospam--at)seaint.org
Subject:	RE: What Is The Material Spec For "Lag Screw"?

> -----Original Message-----
> From: CDaniels [mailto:ced(--nospam--at)larsondesigngroup.com]
> Sent: Saturday, June 02, 2001 12:38 PM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: RE: What Is The Material Spec For "Lag Screw"?
>
>
> Check out footnote 2 at the bottom of the tables in chapter 9 of the 1997
> NDS, Fyb=45 ksi for bolts 3/8" in diameter and larger.  Typically I spec.
> A307 and everything I seen has been A307.  The NDS refers to ANSI/ASME
> Standard B18.2.1-1981.  I don't have a copy of this.

Oh, and the A307 spec, is that for LAG SCREWS in particular? Or for bolts? I
don't have a copy of A307, so don't remember if that was specifically just
for fasteners for metal, or it could include lag screws for wood connection
applications.

William L. Polhemus, Jr., P.E.
Polhemus Engineering Company
Katy, Texas
Phone 281-492-2251
Fax 281-492-8203


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