<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Bob et al,<br>Actually those studs only secure the brake drum to the hub so are not subjected to axial loads anything like those of a wheel stud.<br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">The problem is that they are quite special in that they are threaded on each end with a land between the threads. (Pic attached).<br>The shorter end is threaded through the hub flange and "staked" to prevent their unscrewing from the hub. (Pic attached) As I recall this is done because of the limited space. <br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Getting these "staked" ends out of the hub without ruining the critical thread in the hub can be very difficult and usually involves careful drilling and re-tapping of the BSF threads in the hub. <br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Having recently encountered a pair of hubs with these threads ruined by someone trying to remove the "staked" studs the only solution I could come up with was to turn up even specialer (new word) studs with 3/8" UNF threads to use in re-tapped threads in the hub... <br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Had all 8 studs all done in about 6 hours ... you have to find something to do when it is -30C outside :-)<br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Michael S.<br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">BN1 #174<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Nov 1, 2015 at 10:00 AM, Bob Spidell <span dir="ltr"><<a href="mailto:bspidell@comcast.net" target="_blank">bspidell@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:Arial;font-size:12pt;color:#000000"><div>My first thought was 'wow, do you really want to remove much, if any, metal from a wheel stud?' But, if you're just gonna clean up some burrs on the threads you should be OK.<br></div><div><br></div><div><a href="http://britishfasteners.com/dies/bsf-dies.html" target="_blank">http://britishfasteners.com/dies/bsf-dies.html</a></div><div><br></div><div><br></div><hr><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt"><b>From: </b>"Michael Salter" <<a href="mailto:michaelsalter@gmail.com" target="_blank">michaelsalter@gmail.com</a>><br><b>To: </b>"STEPHEN CUSS" <<a href="mailto:stephen.j.cuss@btinternet.com" target="_blank">stephen.j.cuss@btinternet.com</a>><br><b>Cc: </b>"healeys" <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>><br><b>Sent: </b>Sunday, November 1, 2015 6:27:39 AM<br><b>Subject: </b>Re: [Healeys] BN1 Front wirewheel hub studs<span class=""><br><div><br></div><div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Hi Shephen,<br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">The brake drum studs are 7/16 x 18TPI threads. The thread type is British Standard Fine (B.S.F)<br><div><br></div></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Michael Salter <br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">BN1 #174<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Nov 1, 2015 at 9:16 AM, STEPHEN CUSS <span dir="ltr"><<a href="mailto:stephen.j.cuss@btinternet.com" target="_blank">stephen.j.cuss@btinternet.com</a>></span> wrote:<br><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex" class="gmail_quote"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:12px"><div>Hi,</div><div><br></div><div>Hoping someone can help me, I have an original BN1 100/4 built in 1954 some of the front wheel studs which hold the brake drum on look a little worn, so I was looking to buy a die and re-cut the threads, does anybody know what size and Teeth per Inch (TPI) these studs are?</div><div><br></div><div>Thanks</div><div dir="ltr">in advance for your help with this matter</div><span><span style="color:#888888" color="#888888"><div dir="ltr"><br></div><div dir="ltr">Stephen</div></span></span></div></div><br></blockquote></div></div><div><br></div></span></div><div><br></div></div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><i><font size="2"><span style="color:black">If you can't fix it with a hammer, you've got an electrical problem.</span></font></i><br><br><div></div><div></div><div></div></div></div></div></div>
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