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<DIV dir=ltr align=left><SPAN class=075045818-22032015><FONT color=#0000ff
size=2 face=Arial>Hi guys,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=075045818-22032015><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=075045818-22032015><FONT color=#0000ff
size=2 face=Arial>There really isn't an appreciable difference
in performance between coarse and fine threads. The more important
questions are bolt/nut material, thread engagement and
torque.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=075045818-22032015><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=075045818-22032015><FONT color=#0000ff
size=2 face=Arial>The argument for sticking with coarse threads would be that
you reduce the chance for cross threading the wrong bolt during assembly, since
coarse threads are predominately used.</FONT></SPAN></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial></FONT> </DIV>
<DIV><SPAN class=075045818-22032015></SPAN><FONT face=Arial><FONT
color=#0000ff><FONT size=2>A<SPAN
class=075045818-22032015>dam</SPAN></FONT></FONT></FONT><BR></DIV>
<DIV lang=en-us class=OutlookMessageHeader dir=ltr align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> Personal_Submersibles
[mailto:personal_submersibles-bounces@psubs.org] <B>On Behalf Of </B>Sean T
Stevenson via Personal_Submersibles<BR><B>Sent:</B> Sunday, March 22, 2015 1:13
PM<BR><B>To:</B> Personal Submersibles General Discussion<BR><B>Subject:</B> Re:
[PSUBS-MAILIST] coarse vs fine thread<BR></FONT><BR></DIV>
<DIV></DIV>
<P dir=ltr>Helicoils are an option.</P>
<P dir=ltr>Sean<BR></P><BR><BR>
<DIV class=gmail_quote>On March 22, 2015 11:58:31 AM MDT, Rick Patton via
Personal_Submersibles <personal_submersibles@psubs.org> wrote:
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
<DIV dir=ltr>
<DIV>Hank</DIV>
<DIV><BR></DIV>Fine is the only way to go as aluminum is a much softer metal
than steel so it will strip much easier so the more metal you grab, the
better, which fine threads will give you.
<DIV><BR></DIV>
<DIV>Rick</DIV></DIV>
<DIV class=gmail_extra><BR>
<DIV class=gmail_quote>On Sun, Mar 22, 2015 at 5:55 AM, hank pronk via
Personal_Submersibles <SPAN dir=ltr><<A
href="mailto:personal_submersibles@psubs.org"
target=_blank>personal_submersibles@psubs.org</A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Help
I need advice!<BR>My new bow dome will be secured to the Al mating ring with
straps. I am laying out the bolt holes to be threaded in the AL
ring. My question is, should the bolts be fine or coarse thread? What
holds better in AL ? The threads will be 3/8 by 1 in deep.<BR>Thank
you in
advance.<BR>Hank<BR>_______________________________________________<BR>Personal_Submersibles
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target=_blank>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</A><BR></BLOCKQUOTE></DIV><BR></DIV>
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