Re: [TR] Triumphs Digest, Vol 18, Issue 45

[John Finlayson <john_finlayson@telus.net>]

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Have you tried British Tools Fasteners? I have not purchased anything from
them but have reviewed their website.
This is their help page.

British Fastener Specs <https://britishfasteners.com/help.html>

On Wed, Apr 30, 2025 at 11:51=E2=80=AFAM <triumphs-request@autox.team.net> =
wrote:

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> than "Re: Contents of Triumphs digest..."
>
>
> Today's Topics:
>
>    1. Re: TR] Rocker Shaft locating screw (Roger Elliott)
>    2. Re: TR] Rocker Shaft locating screw (DAVID MASSEY)
>    3. Re: TR] Rocker Shaft locating screw (Roger Elliott)
>    4. Re: TR] Rocker Shaft locating screw (DAVID MASSEY)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 29 Apr 2025 13:10:10 -0500
> From: Roger Elliott <elliottr@rmi.net>
> To: triumphs@autox.team.net
> Subject: Re: [TR] TR] Rocker Shaft locating screw
> Message-ID: <a92baf9c-88d6-4b9d-a0ff-e9fcb1ec26dd@rmi.net>
> Content-Type: text/plain; charset=3D"utf-8"; Format=3D"flowed"
>
> The locating screw is smaller than 1/4 inch.? Hard to tell that in the
> picture below.? More like a #12 screw.
>
> The locating screw seems to screw into a M6x1 sizer at the hardware
> store.? But strangely a M6x1 bolt won's screw into the hole.
>
> It appears to be 27tpi according to my gauge.
>
> Looks very close to m5x.8
>
> Thanks,
> Roger
>
> On 4/28/25 21:28, aribert neumann wrote:
> > The screw?is 1/4 inch.? I don't remember if fine thread: 28 tpi or
> > coarse thread:20 tpi? ? ? ? For grins, I would get a known M6x1
> > fastener and see if it threads in.
> >
> >
> >
> >
> > --------- Forwarded message ----------
> > From:?Roger Elliott <elliottr@rmi.net>
> > To: triumphs@autox.team.net
> > Cc:
> > Bcc:
> > Date:?Sun, 27 Apr 2025 18:20:35 -0500
> > Subject:?[TR] Rocker Shaft locating screw
> > Anyone know what size the rocker shaft locating screw is? I just
> > received a rocker shaft that the screw will not go into. Checked with
> > drill bits.? An 11/64 drill bit would go into old rocker shafts easily,
> > but not into the new one.
> >
> > Shouldn't make any difference, but this is for a GT6 mark 1.
> >
> > Thanks,
> > Roger Elliott
> >
> > **triumphs@autox.team.net **
> >
> > Donate:http://www.team.net/donate.html
> > Archive:http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
> >
> > Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/elliottr@rmi.net
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> ------------------------------
>
> Message: 2
> Date: Tue, 29 Apr 2025 23:34:48 +0000 (UTC)
> From: DAVID MASSEY <dave1massey@cs.com>
> To: "triumphs@autox.team.net" <triumphs@autox.team.net>,  Roger
>         Elliott <elliottr@rmi.net>
> Subject: Re: [TR] TR] Rocker Shaft locating screw
> Message-ID: <1214400213.3372950.1745969688851@mail.yahoo.com>
> Content-Type: text/plain; charset=3D"utf-8"
>
> Moss lists these as?
> https://mossmotors.com/323-215-screw-shaft-locating
> It may be whitworth or something.
> Dave
>
>
>
>
>     On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott <
> elliottr@rmi.net> wrote:
>
>
> The locating screw is smaller than 1/4 inch.? Hard to tell that in the
> picture below.? More like a #12 screw.
>
>
> The locating screw seems to screw into a M6x1 sizer at the hardware
> store.? But strangely a M6x1 bolt won's screw into the hole.?
>
>
> It appears to be 27tpi according to my gauge.?
>
>
> Looks very close to m5x.8
>
>
> Thanks,
>  Roger
>
>   On 4/28/25 21:28, aribert neumann wrote:
>
>
>  The screw?is 1/4 inch.? I don't remember if fine thread: 28 tpi or coars=
e
> thread:20 tpi? ? ? ? For grins, I would get a known M6x1 fastener and see
> if it threads in.
>
>
>
>   --------- Forwarded message ----------
>  From:?Roger Elliott <elliottr@rmi.net>
>  To:?triumphs@autox.team.net
>  Cc:?
>  Bcc:?
>  Date:?Sun, 27 Apr 2025 18:20:35 -0500
>  Subject:?[TR] Rocker Shaft locating screw
>  Anyone know what size the rocker shaft locating screw is? I just
>  received a rocker shaft that the screw will not go into.? Checked with
>  drill bits.? An 11/64 drill bit would go into old rocker shafts easily,
>  but not into the new one.
>
>  Shouldn't make any difference, but this is for a GT6 mark 1.
>
>  Thanks,
>  Roger Elliott
>   ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/elliottr@rmi.net
>  ** triumphs@autox.team.net **
>
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> Unsubscribe/Manage:
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> ------------------------------
>
> Message: 3
> Date: Tue, 29 Apr 2025 18:48:48 -0500
> From: Roger Elliott <elliottr@rmi.net>
> To: "triumphs@autox.team.net" <triumphs@autox.team.net>
> Subject: Re: [TR] TR] Rocker Shaft locating screw
> Message-ID: <71e4b6e4-b150-42e1-bd0d-07f6dac066ac@rmi.net>
> Content-Type: text/plain; charset=3D"utf-8"; Format=3D"flowed"
>
> Thanks Dave,
>
> I have a couple of the screws. (though mine have a Pozidriv head
> instead.? The problem is I have 2 rocker shafts that were tapped for the
> wrong size. So, I am trying to figure out if I could tap them to the
> right size.
>
> What I said on a previous post was wrong.? I went back to a hardware
> store and the locating screw slid right into the M6x1 tester with out
> having to turn it.? So it is smaller than that. It would not go into a
> M5x.8
>
> I suspect you are right about it being a Whitworth.
>
> Thanks,
> Roger
>
> On 4/29/25 18:34, DAVID MASSEY wrote:
> > Moss lists these as
> >
> > https://mossmotors.com/323-215-screw-shaft-locating
> >
> > It may be whitworth or something.
> >
> > Dave
> >
> >
> >
> >
> > On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott
> > <elliottr@rmi.net> wrote:
> >
> >
> > The locating screw is smaller than 1/4 inch.? Hard to tell that in the
> > picture below.? More like a #12 screw.
> >
> > The locating screw seems to screw into a M6x1 sizer at the hardware
> > store.? But strangely a M6x1 bolt won's screw into the hole.
> >
> > It appears to be 27tpi according to my gauge.
> >
> > Looks very close to m5x.8
> >
> > Thanks,
> > Roger
> >
> > On 4/28/25 21:28, aribert neumann wrote:
> > The screw?is 1/4 inch.? I don't remember if fine thread: 28 tpi or
> > coarse thread:20 tpi ? For grins, I would get a known M6x1 fastener
> > and see if it threads in.
> >
> >
> >
> >
> > --------- Forwarded message ----------
> > Cc:
> > Bcc:
> > Date:?Sun, 27 Apr 2025 18:20:35 -0500
> > Subject:?[TR] Rocker Shaft locating screw
> > Anyone know what size the rocker shaft locating screw is? I just
> > received a rocker shaft that the screw will not go into.? Checked with
> > drill bits.? An 11/64 drill bit would go into old rocker shafts easily,
> > but not into the new one.
> >
> > Shouldn't make any difference, but this is for a GT6 mark 1.
> >
> > Thanks,
> > Roger Elliott
> >
> >
> > Donate:http://www.team.net/donate.html <http://www.team.net/donate.html=
>
> > Archive:http://www.team.net/pipermail/triumphs <
> http://www.team.net/pipermail/triumphs>  http://www.team.net/archive <
> http://www.team.net/archive>
> >
> > Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/elliottr@rmi.net <
> http://autox.team.net/mailman/options/triumphs/elliottr@rmi.net>
> > ** triumphs@autox.team.net **
> >
> > Donate: http://www.team.net/donate.html
> > Archive: http://www.team.net/pipermail/triumphs
> > http://www.team.net/archive
> >
> > Unsubscribe/Manage:
> > http://autox.team.net/mailman/options/triumphs/dave1massey@cs.com
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> ------------------------------
>
> Message: 4
> Date: Wed, 30 Apr 2025 11:58:45 +0000 (UTC)
> From: DAVID MASSEY <dave1massey@cs.com>
> To: "triumphs@autox.team.net" <triumphs@autox.team.net>,  Roger
>         Elliott <elliottr@rmi.net>
> Subject: Re: [TR] TR] Rocker Shaft locating screw
> Message-ID: <467697119.3508541.1746014325551@mail.yahoo.com>
> Content-Type: text/plain; charset=3D"utf-8"
>
> Wikipedia has a fairly comprehensive page on Whitworth bolts
> https://en.wikipedia.org/wiki/British_Standard_Whitworth
> It looks like it might be a 7/32 which is between M5 and M6.? Good luck
> finding one of those.
> Moss has them and Rimmer Brothers have them (part no 104859).? I suspect
> there is one old bloke in the Lake District who still has the tooling and
> is making them in his retirement.? Such was the nature of the British Aut=
o
> Industry in the early years after the war.
> Seriously, I'll bet Rimmer contracted a large quantity (1,000?) be
> produced and sold half of them to Moss.
> But these are hex head rather than Pozidrive.? I have only a passing
> familiarity with machine shop operations but I suspect that making the he=
x
> head version is much easier to make using an NC lathe and hexagonal feed
> stock.? Making a Pozidrive (or even Philips) would require a stamping
> operation to form the head.? If you insist on Pozidrive maybe you can
> arrange a swap with someone who has a Pozidrive screw and is willing to u=
se
> the hex head.
> Dave
>
>
>
>
>     On Tuesday, April 29, 2025 at 07:30:40 PM CDT, Roger Elliott <
> elliottr@rmi.net> wrote:
>
>
> Thanks Dave,
>
>
> I have a couple of the screws. (though mine have a Pozidriv head instead.=
?
> The problem is I have 2 rocker shafts that were tapped for the wrong size=
.
> So, I am trying to figure out if I could tap them to the right size.
>
>
> What I said on a previous post was wrong.? I went back to a hardware stor=
e
> and the locating screw slid right into the M6x1 tester with out having to
> turn it.? So it is smaller than that.? It would not go into a M5x.8
>
>
> I suspect you are right about it being a Whitworth.
>
>
> Thanks,
>  Roger
>
>  On 4/29/25 18:34, DAVID MASSEY wrote:
>
>
>   Moss lists these as?
>   https://mossmotors.com/323-215-screw-shaft-locating
>   It may be whitworth or something.
>      Dave
>
>
>
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> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
>
> Triumphs mailing list
> Triumphs@autox.team.net
> http://autox.team.net/mailman/listinfo/triumphs
>
>
> ------------------------------
>
> End of Triumphs Digest, Vol 18, Issue 45
> ****************************************
>

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<div dir=3D"ltr"><div dir=3D"ltr">Have you tried British Tools Fasteners? I=
 have not purchased anything from them but have reviewed their website.=C2=
=A0</div><div dir=3D"ltr">This is their help page.<div><br></div><div><a hr=
ef=3D"https://britishfasteners.com/help.html";>British Fastener Specs</a>=C2=
=A0</div></div></div><br><div class=3D"gmail_quote gmail_quote_container"><=
div dir=3D"ltr" class=3D"gmail_attr">On Wed, Apr 30, 2025 at 11:51=E2=80=AF=
AM &lt;<a href=3D"mailto:triumphs-request@autox.team.net";>triumphs-request@=
autox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padd=
ing-left:1ex">Send Triumphs mailing list submissions to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs@autox.team.net"; targ=
et=3D"_blank">triumphs@autox.team.net</a><br>
<br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"http://autox.team.net/mailman/listin=
fo/triumphs" rel=3D"noreferrer" target=3D"_blank">http://autox.team.net/mai=
lman/listinfo/triumphs</a><br>
or, via email, send a message with subject or body &#39;help&#39; to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs-request@autox.team.n=
et" target=3D"_blank">triumphs-request@autox.team.net</a><br>
<br>
You can reach the person managing the list at<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:triumphs-owner@autox.team.net=
" target=3D"_blank">triumphs-owner@autox.team.net</a><br>
<br>
When replying, please edit your Subject line so it is more specific<br>
than &quot;Re: Contents of Triumphs digest...&quot;<br>
<br>
<br>
Today&#39;s Topics:<br>
<br>
=C2=A0 =C2=A01. Re: TR] Rocker Shaft locating screw (Roger Elliott)<br>
=C2=A0 =C2=A02. Re: TR] Rocker Shaft locating screw (DAVID MASSEY)<br>
=C2=A0 =C2=A03. Re: TR] Rocker Shaft locating screw (Roger Elliott)<br>
=C2=A0 =C2=A04. Re: TR] Rocker Shaft locating screw (DAVID MASSEY)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Tue, 29 Apr 2025 13:10:10 -0500<br>
From: Roger Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"_blan=
k">elliottr@rmi.net</a>&gt;<br>
To: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumphs@a=
utox.team.net</a><br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
net" target=3D"_blank">a92baf9c-88d6-4b9d-a0ff-e9fcb1ec26dd@rmi.net</a>&gt;=
<br>
d&quot;<br>
<br>
The locating screw is smaller than 1/4 inch.? Hard to tell that in the <br>
picture below.? More like a #12 screw.<br>
<br>
The locating screw seems to screw into a M6x1 sizer at the hardware <br>
store.? But strangely a M6x1 bolt won&#39;s screw into the hole.<br>
<br>
It appears to be 27tpi according to my gauge.<br>
<br>
Looks very close to m5x.8<br>
<br>
Thanks,<br>
Roger<br>
<br>
On 4/28/25 21:28, aribert neumann wrote:<br>
&gt; The screw?is 1/4 inch.? I don&#39;t remember if fine thread: 28 tpi or=
 <br>
&gt; coarse thread:20 tpi? ? ? ? For grins, I would get a known M6x1 <br>
&gt; fastener and see if it threads in.<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; --------- Forwarded message ----------<br>
&gt; From:?Roger Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"=
_blank">elliottr@rmi.net</a>&gt;<br>
&gt; To: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">trium=
phs@autox.team.net</a><br>
&gt; Cc:<br>
&gt; Bcc:<br>
&gt; Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
&gt; Subject:?[TR] Rocker Shaft locating screw<br>
&gt; Anyone know what size the rocker shaft locating screw is? I just<br>
&gt; received a rocker shaft that the screw will not go into. Checked with<=
br>
&gt; drill bits.? An 11/64 drill bit would go into old rocker shafts easily=
,<br>
&gt; but not into the new one.<br>
&gt;<br>
&gt; Shouldn&#39;t make any difference, but this is for a GT6 mark 1.<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Roger Elliott<br>
&gt;<br>
&gt; **<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumph=
s@autox.team.net</a> **<br>
&gt;<br>
&gt; Donate:<a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer" =
target=3D"_blank">http://www.team.net/donate.html</a><br>
&gt; Archive:<a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"nore=
ferrer" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=C2=A0 =
<a href=3D"http://www.team.net/archive"; rel=3D"noreferrer" target=3D"_blank=
">http://www.team.net/archive</a><br>
&gt;<br>
&gt; Unsubscribe/Manage:<a href=3D"http://autox.team.net/mailman/options/tr=
iumphs/elliottr@rmi.net" rel=3D"noreferrer" target=3D"_blank">http://autox.=
team.net/mailman/options/triumphs/elliottr@rmi.net</a><br>
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<br>
------------------------------<br>
<br>
Message: 2<br>
Date: Tue, 29 Apr 2025 23:34:48 +0000 (UTC)<br>
From: DAVID MASSEY &lt;<a href=3D"mailto:dave1massey@cs.com"; target=3D"_bla=
nk">dave1massey@cs.com</a>&gt;<br>
To: &quot;<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triu=
mphs@autox.team.net</a>&quot; &lt;<a href=3D"mailto:triumphs@autox.team.net=
" target=3D"_blank">triumphs@autox.team.net</a>&gt;,=C2=A0 Roger<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"=
 target=3D"_blank">elliottr@rmi.net</a>&gt;<br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
oo.com" target=3D"_blank">1214400213.3372950.1745969688851@mail.yahoo.com</=
a>&gt;<br>
<br>
Moss lists these as?<br>
<a href=3D"https://mossmotors.com/323-215-screw-shaft-locating"; rel=3D"nore=
ferrer" target=3D"_blank">https://mossmotors.com/323-215-screw-shaft-locati=
ng</a><br>
It may be whitworth or something.<br>
Dave <br>
<br>
<br>
<br>
<br>
=C2=A0 =C2=A0 On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott =
&lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"_blank">elliottr@rmi.net<=
/a>&gt; wrote:=C2=A0 =C2=A0<br>
<br>
<br>
The locating screw is smaller than 1/4 inch.? Hard to tell that in the pict=
ure below.? More like a #12 screw.<br>
<br>
<br>
The locating screw seems to screw into a M6x1 sizer at the hardware store.?=
 But strangely a M6x1 bolt won&#39;s screw into the hole.? <br>
<br>
<br>
It appears to be 27tpi according to my gauge.? <br>
<br>
<br>
Looks very close to m5x.8<br>
<br>
<br>
Thanks,<br>
=C2=A0Roger<br>
<br>
=C2=A0 On 4/28/25 21:28, aribert neumann wrote:<br>
<br>
<br>
=C2=A0The screw?is 1/4 inch.? I don&#39;t remember if fine thread: 28 tpi o=
r coarse thread:20 tpi? ? ? ? For grins, I would get a known M6x1 fastener =
and see if it threads in. <br>
<br>
<br>
<br>
=C2=A0 --------- Forwarded message ----------<br>
=C2=A0From:?Roger Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D=
"_blank">elliottr@rmi.net</a>&gt;<br>
=C2=A0To:?<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triu=
mphs@autox.team.net</a><br>
=C2=A0Cc:?<br>
=C2=A0Bcc:?<br>
=C2=A0Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
=C2=A0Subject:?[TR] Rocker Shaft locating screw<br>
=C2=A0Anyone know what size the rocker shaft locating screw is? I just<br>
=C2=A0received a rocker shaft that the screw will not go into.? Checked wit=
h<br>
=C2=A0drill bits.? An 11/64 drill bit would go into old rocker shafts easil=
y,<br>
=C2=A0but not into the new one.<br>
<br>
=C2=A0Shouldn&#39;t make any difference, but this is for a GT6 mark 1.<br>
<br>
=C2=A0Thanks,<br>
=C2=A0Roger Elliott <br>
=C2=A0 ** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triu=
mphs@autox.team.net</a> **<br>
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et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
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tp://www.team.net/archive</a><br>
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.net/mailman/options/triumphs/elliottr@rmi.net</a><br>
=C2=A0** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">trium=
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<br>
------------------------------<br>
<br>
Message: 3<br>
Date: Tue, 29 Apr 2025 18:48:48 -0500<br>
From: Roger Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"_blan=
k">elliottr@rmi.net</a>&gt;<br>
To: &quot;<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triu=
mphs@autox.team.net</a>&quot; &lt;<a href=3D"mailto:triumphs@autox.team.net=
" target=3D"_blank">triumphs@autox.team.net</a>&gt;<br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
net" target=3D"_blank">71e4b6e4-b150-42e1-bd0d-07f6dac066ac@rmi.net</a>&gt;=
<br>
d&quot;<br>
<br>
Thanks Dave,<br>
<br>
I have a couple of the screws. (though mine have a Pozidriv head <br>
instead.? The problem is I have 2 rocker shafts that were tapped for the <b=
r>
wrong size. So, I am trying to figure out if I could tap them to the <br>
right size.<br>
<br>
What I said on a previous post was wrong.? I went back to a hardware <br>
store and the locating screw slid right into the M6x1 tester with out <br>
having to turn it.? So it is smaller than that. It would not go into a M5x.=
8<br>
<br>
I suspect you are right about it being a Whitworth.<br>
<br>
Thanks,<br>
Roger<br>
<br>
On 4/29/25 18:34, DAVID MASSEY wrote:<br>
&gt; Moss lists these as<br>
&gt;<br>
&gt; <a href=3D"https://mossmotors.com/323-215-screw-shaft-locating"; rel=3D=
"noreferrer" target=3D"_blank">https://mossmotors.com/323-215-screw-shaft-l=
ocating</a><br>
&gt;<br>
&gt; It may be whitworth or something.<br>
&gt;<br>
&gt; Dave<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott <br>
&gt; &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"_blank">elliottr@rmi=
.net</a>&gt; wrote:<br>
&gt;<br>
&gt;<br>
&gt; The locating screw is smaller than 1/4 inch.? Hard to tell that in the=
 <br>
&gt; picture below.? More like a #12 screw.<br>
&gt;<br>
&gt; The locating screw seems to screw into a M6x1 sizer at the hardware <b=
r>
&gt; store.? But strangely a M6x1 bolt won&#39;s screw into the hole.<br>
&gt;<br>
&gt; It appears to be 27tpi according to my gauge.<br>
&gt;<br>
&gt; Looks very close to m5x.8<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Roger<br>
&gt;<br>
&gt; On 4/28/25 21:28, aribert neumann wrote:<br>
&gt; The screw?is 1/4 inch.? I don&#39;t remember if fine thread: 28 tpi or=
 <br>
&gt; coarse thread:20 tpi ? For grins, I would get a known M6x1 fastener <b=
r>
&gt; and see if it threads in.<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt;<br>
&gt; --------- Forwarded message ----------<br>
&gt; From:?Roger Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"=
_blank">elliottr@rmi.net</a> &lt;mailto:<a href=3D"mailto:elliottr@rmi.net"=
 target=3D"_blank">elliottr@rmi.net</a>&gt;&gt;<br>
&gt; To: <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">trium=
phs@autox.team.net</a> &lt;mailto:<a href=3D"mailto:triumphs@autox.team.net=
" target=3D"_blank">triumphs@autox.team.net</a>&gt;<br>
&gt; Cc:<br>
&gt; Bcc:<br>
&gt; Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
&gt; Subject:?[TR] Rocker Shaft locating screw<br>
&gt; Anyone know what size the rocker shaft locating screw is? I just<br>
&gt; received a rocker shaft that the screw will not go into.? Checked with=
<br>
&gt; drill bits.? An 11/64 drill bit would go into old rocker shafts easily=
,<br>
&gt; but not into the new one.<br>
&gt;<br>
&gt; Shouldn&#39;t make any difference, but this is for a GT6 mark 1.<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Roger Elliott<br>
&gt;<br>
&gt; **<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumph=
s@autox.team.net</a> &lt;mailto:<a href=3D"mailto:triumphs@autox.team.net"; =
target=3D"_blank">triumphs@autox.team.net</a>&gt; **<br>
&gt;<br>
&gt; Donate:<a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer" =
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/www.team.net/donate.html" rel=3D"noreferrer" target=3D"_blank">http://www.=
team.net/donate.html</a>&gt;<br>
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&gt; ** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triump=
hs@autox.team.net</a> **<br>
&gt;<br>
&gt; Donate: <a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer"=
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------------------------------<br>
<br>
Message: 4<br>
Date: Wed, 30 Apr 2025 11:58:45 +0000 (UTC)<br>
From: DAVID MASSEY &lt;<a href=3D"mailto:dave1massey@cs.com"; target=3D"_bla=
nk">dave1massey@cs.com</a>&gt;<br>
To: &quot;<a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triu=
mphs@autox.team.net</a>&quot; &lt;<a href=3D"mailto:triumphs@autox.team.net=
" target=3D"_blank">triumphs@autox.team.net</a>&gt;,=C2=A0 Roger<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Elliott &lt;<a href=3D"mailto:elliottr@rmi.net"=
 target=3D"_blank">elliottr@rmi.net</a>&gt;<br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
o.com" target=3D"_blank">467697119.3508541.1746014325551@mail.yahoo.com</a>=
&gt;<br>
<br>
Wikipedia has a fairly comprehensive page on Whitworth bolts<br>
<a href=3D"https://en.wikipedia.org/wiki/British_Standard_Whitworth"; rel=3D=
"noreferrer" target=3D"_blank">https://en.wikipedia.org/wiki/British_Standa=
rd_Whitworth</a><br>
It looks like it might be a 7/32 which is between M5 and M6.? Good luck fin=
ding one of those.<br>
Moss has them and Rimmer Brothers have them (part no 104859).? I suspect th=
ere is one old bloke in the Lake District who still has the tooling and is =
making them in his retirement.? Such was the nature of the British Auto Ind=
ustry in the early years after the war.<br>
Seriously, I&#39;ll bet Rimmer contracted a large quantity (1,000?) be prod=
uced and sold half of them to Moss.<br>
But these are hex head rather than Pozidrive.? I have only a passing famili=
arity with machine shop operations but I suspect that making the hex head v=
ersion is much easier to make using an NC lathe and hexagonal feed stock.? =
Making a Pozidrive (or even Philips) would require a stamping operation to =
form the head.? If you insist on Pozidrive maybe you can arrange a swap wit=
h someone who has a Pozidrive screw and is willing to use the hex head.<br>
Dave <br>
<br>
<br>
<br>
<br>
=C2=A0 =C2=A0 On Tuesday, April 29, 2025 at 07:30:40 PM CDT, Roger Elliott =
&lt;<a href=3D"mailto:elliottr@rmi.net"; target=3D"_blank">elliottr@rmi.net<=
/a>&gt; wrote:=C2=A0 =C2=A0<br>
<br>
<br>
Thanks Dave,<br>
<br>
<br>
I have a couple of the screws. (though mine have a Pozidriv head instead.? =
The problem is I have 2 rocker shafts that were tapped for the wrong size. =
So, I am trying to figure out if I could tap them to the right size.<br>
<br>
<br>
What I said on a previous post was wrong.? I went back to a hardware store =
and the locating screw slid right into the M6x1 tester with out having to t=
urn it.? So it is smaller than that.? It would not go into a M5x.8<br>
<br>
<br>
I suspect you are right about it being a Whitworth.<br>
<br>
<br>
Thanks,<br>
=C2=A0Roger<br>
<br>
=C2=A0On 4/29/25 18:34, DAVID MASSEY wrote:<br>
<br>
<br>
=C2=A0 Moss lists these as? <br>
=C2=A0 <a href=3D"https://mossmotors.com/323-215-screw-shaft-locating"; rel=
=3D"noreferrer" target=3D"_blank">https://mossmotors.com/323-215-screw-shaf=
t-locating</a> <br>
=C2=A0 It may be whitworth or something. <br>
=C2=A0 =C2=A0 =C2=A0Dave <br>
<br>
<br>
<br>
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