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Originally Posted by sccc
But where does one find this "Surface Area Chart for Hex Head Bolts" spreadsheet? I could use that right now.
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I found it in "Rainer Muller's Chrome System" report on one of Caswell's webpages.. I had to do a "Search" (upper left corner) for "Excel Files" to find it again.. The link is:
http://www.caswellplating.com/restgal/mueller.htm
Hopefully this will open the page for you..
Scroll down about halfway and look for the highlighted words:
"Surface Area.xls" and "Washer Area.xls".
The info will surprise you.. I was shocked to see how much surface area there is on a simple bolt.. the threads account for the "unusual" large size..
Hope this helps.
Charles.