<div>Aluminium has poor fatigue properties compared to steel. </div> <div> </div> <div>Depends on where you are using them and size you choose of course, I have used 1/4" aluminum screws for wing attachments. I would be real nervous using aluminum screws for engine attachments in the size we use there.</div> <div> </div> <div>I have had steel engine screws fail attaching the engine to the beam. Im using 4-40 to hold my 1.60ys to the beams and they dont last, just havent upsized them. <BR></div> <div>Brian </div> <div><BR><B><I>Bob Kane <getterflash@yahoo.com></I></B> wrote:</div> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Has anyone tried using 6-32 aluminum cap screws in<BR>place of steel screws? I personally have never<BR>observed a steel cap screw breaking under normal load.<BR>A Hyde mount would also lower the maximum load on the<BR>mounting screws. Curious. <BR><BR>Bob
Kane<BR>getterflash@yahoo.com<BR><BR>__________________________________________________<BR>Do You Yahoo!?<BR>Tired of spam? Yahoo! Mail has the best spam protection around <BR>http://mail.yahoo.com <BR>_______________________________________________<BR>NSRCA-discussion mailing list<BR>NSRCA-discussion@lists.nsrca.org<BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR></BLOCKQUOTE><BR><p>
<hr size=1><a href="http://us.rd.yahoo.com/mail_us/taglines/postman3/*http://us.rd.yahoo.com/evt=39666/*http://messenger.yahoo.com">Yahoo! Messenger with Voice.</a> PC-to-Phone calls for ridiculously low rates.