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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Bud,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>McMaster Carr has everything you need and they have really fast shipping. There would be nothing wrong with using grade 8 bolts in this application. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Steve Yott<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><a href="http://www.mcmaster.com">www.mcmaster.com</a> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Fot [mailto:fot-bounces@autox.team.net] <b>On Behalf Of </b>Bud R<br><b>Sent:</b> Thursday, November 24, 2016 10:17 AM<br><b>To:</b> fot <fot@autox.team.net><br><b>Subject:</b> Re: [Fot] Bolts and Threads<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Oops the coarse thread is 14 tpi not 12.<o:p></o:p></p><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'><br>Bud Rolofson<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'>Extreme Parts Racing (more than just a haircut)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal>71TR6 CC57365 (Good 6)<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'>71 Spitfire MK IV Race Car #3<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'>69 Spitfire MK 3 (back up FE engine/dinghy car)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'>93 Minnie Winnie Race Support Vehicle <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif;color:black'>77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Nov 24, 2016, at 9:03 AM, Bud R <<a href="mailto:levilevi@comcast.net">levilevi@comcast.net</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>The Collective,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>I’m working on the Spitfire’s traverse leaf swing spring rear suspension and can’t find locally the 7/16” fine thread (20 tpi) by 3 1/2” bolts that were holding the vertical link and to the trunnions and to the swing spring bushings.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I can find the right sizes in a coarse thread (12 tpi) grade 8 bolt and thats my plan. The old ones are grade 5 or in one case a bolt with no slash marks on top. I don’t know what it is.<o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p><div><p class=MsoNormal>Do these bolts need to be fine thread for any particular reason, e.g. for safety, torque specs, etc.? Is a grade 8 bolt a good idea where it will be stressed with all the up and down motion with the vertical link? Too brittle? Usually I go for grade 8 whenever possible but I’ve heard there are instances where it might not be the best solution.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>An aside for Thanksgiving: <o:p></o:p></p></div><div><p class=MsoNormal>My son and his wife teaching in Shanghai said the Chinese love to celebrate American holidays (they know them from American TV and movies) but their take on Thanksgiving is that you thank people who do nice things for you. So they got cards from their students thanking them for teaching. Kind of a different twist but a good one I thought.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Happy Thanksgiving to all.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>Thanks,<br>Bud Rolofson<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>Extreme Parts Racing (more than just a haircut)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal>71TR6 CC57365 (Good 6)<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>71 Spitfire MK IV Race Car #3<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>69 Spitfire MK 3 (back up FE engine/dinghy car)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>93 Minnie Winnie Race Support Vehicle <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-family:"Helvetica",sans-serif'>77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>