<div dir="ltr"><div dir="ltr">Have you tried British Tools Fasteners? I have not purchased anything from them but have reviewed their website. </div><div dir="ltr">This is their help page.<div><br></div><div><a href="https://britishfasteners.com/help.html">British Fastener Specs</a> </div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Apr 30, 2025 at 11:51 AM <<a href="mailto:triumphs-request@autox.team.net">triumphs-request@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Send Triumphs mailing list submissions to<br>
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Today's Topics:<br>
<br>
1. Re: TR] Rocker Shaft locating screw (Roger Elliott)<br>
2. Re: TR] Rocker Shaft locating screw (DAVID MASSEY)<br>
3. Re: TR] Rocker Shaft locating screw (Roger Elliott)<br>
4. 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 <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
To: <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a><br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
Message-ID: <<a href="mailto:a92baf9c-88d6-4b9d-a0ff-e9fcb1ec26dd@rmi.net" target="_blank">a92baf9c-88d6-4b9d-a0ff-e9fcb1ec26dd@rmi.net</a>><br>
Content-Type: text/plain; charset="utf-8"; Format="flowed"<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'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>
> The screw?is 1/4 inch.? I don't remember if fine thread: 28 tpi or <br>
> coarse thread:20 tpi? ? ? ? For grins, I would get a known M6x1 <br>
> fastener and see if it threads in.<br>
><br>
><br>
><br>
><br>
> --------- Forwarded message ----------<br>
> From:?Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
> To: <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a><br>
> Cc:<br>
> Bcc:<br>
> Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
> Subject:?[TR] Rocker Shaft locating screw<br>
> Anyone know what size the rocker shaft locating screw is? I just<br>
> received a rocker shaft that the screw will not go into. Checked with<br>
> drill bits.? An 11/64 drill bit would go into old rocker shafts easily,<br>
> but not into the new one.<br>
><br>
> Shouldn't make any difference, but this is for a GT6 mark 1.<br>
><br>
> Thanks,<br>
> Roger Elliott<br>
><br>
> **<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> **<br>
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Message: 2<br>
Date: Tue, 29 Apr 2025 23:34:48 +0000 (UTC)<br>
From: DAVID MASSEY <<a href="mailto:dave1massey@cs.com" target="_blank">dave1massey@cs.com</a>><br>
To: "<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>" <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>>, Roger<br>
Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
Message-ID: <<a href="mailto:1214400213.3372950.1745969688851@mail.yahoo.com" target="_blank">1214400213.3372950.1745969688851@mail.yahoo.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Moss lists these as?<br>
<a href="https://mossmotors.com/323-215-screw-shaft-locating" rel="noreferrer" target="_blank">https://mossmotors.com/323-215-screw-shaft-locating</a><br>
It may be whitworth or something.<br>
Dave <br>
<br>
<br>
<br>
<br>
On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>> wrote: <br>
<br>
<br>
The locating screw is smaller than 1/4 inch.? Hard to tell that in the picture 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'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>
Roger<br>
<br>
On 4/28/25 21:28, aribert neumann wrote:<br>
<br>
<br>
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. <br>
<br>
<br>
<br>
--------- Forwarded message ----------<br>
From:?Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
To:?<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a><br>
Cc:?<br>
Bcc:?<br>
Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
Subject:?[TR] Rocker Shaft locating screw<br>
Anyone know what size the rocker shaft locating screw is? I just<br>
received a rocker shaft that the screw will not go into.? Checked with<br>
drill bits.? An 11/64 drill bit would go into old rocker shafts easily,<br>
but not into the new one.<br>
<br>
Shouldn't make any difference, but this is for a GT6 mark 1.<br>
<br>
Thanks,<br>
Roger Elliott <br>
** <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> **<br>
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<br>
Message: 3<br>
Date: Tue, 29 Apr 2025 18:48:48 -0500<br>
From: Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
To: "<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>" <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>><br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
Message-ID: <<a href="mailto:71e4b6e4-b150-42e1-bd0d-07f6dac066ac@rmi.net" target="_blank">71e4b6e4-b150-42e1-bd0d-07f6dac066ac@rmi.net</a>><br>
Content-Type: text/plain; charset="utf-8"; Format="flowed"<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 <br>
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>
> Moss lists these as<br>
><br>
> <a href="https://mossmotors.com/323-215-screw-shaft-locating" rel="noreferrer" target="_blank">https://mossmotors.com/323-215-screw-shaft-locating</a><br>
><br>
> It may be whitworth or something.<br>
><br>
> Dave<br>
><br>
><br>
><br>
><br>
> On Tuesday, April 29, 2025 at 02:34:18 PM CDT, Roger Elliott <br>
> <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>> wrote:<br>
><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'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>
> The screw?is 1/4 inch.? I don't remember if fine thread: 28 tpi or <br>
> coarse thread:20 tpi ? For grins, I would get a known M6x1 fastener <br>
> and see if it threads in.<br>
><br>
><br>
><br>
><br>
> --------- Forwarded message ----------<br>
> From:?Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a> <mailto:<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>>><br>
> To: <a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> <mailto:<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>><br>
> Cc:<br>
> Bcc:<br>
> Date:?Sun, 27 Apr 2025 18:20:35 -0500<br>
> Subject:?[TR] Rocker Shaft locating screw<br>
> Anyone know what size the rocker shaft locating screw is? I just<br>
> received a rocker shaft that the screw will not go into.? Checked with<br>
> drill bits.? An 11/64 drill bit would go into old rocker shafts easily,<br>
> but not into the new one.<br>
><br>
> Shouldn't make any difference, but this is for a GT6 mark 1.<br>
><br>
> Thanks,<br>
> Roger Elliott<br>
><br>
> **<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a> <mailto:<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>> **<br>
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<br>
Message: 4<br>
Date: Wed, 30 Apr 2025 11:58:45 +0000 (UTC)<br>
From: DAVID MASSEY <<a href="mailto:dave1massey@cs.com" target="_blank">dave1massey@cs.com</a>><br>
To: "<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>" <<a href="mailto:triumphs@autox.team.net" target="_blank">triumphs@autox.team.net</a>>, Roger<br>
Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>><br>
Subject: Re: [TR] TR] Rocker Shaft locating screw<br>
Message-ID: <<a href="mailto:467697119.3508541.1746014325551@mail.yahoo.com" target="_blank">467697119.3508541.1746014325551@mail.yahoo.com</a>><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
Wikipedia has a fairly comprehensive page on Whitworth bolts<br>
<a href="https://en.wikipedia.org/wiki/British_Standard_Whitworth" rel="noreferrer" target="_blank">https://en.wikipedia.org/wiki/British_Standard_Whitworth</a><br>
It looks like it might be a 7/32 which is between M5 and M6.? Good luck finding one of those.<br>
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 Auto Industry in the early years after the war.<br>
Seriously, I'll bet Rimmer contracted a large quantity (1,000?) be produced and sold half of them to Moss.<br>
But these are hex head rather than Pozidrive.? I have only a passing familiarity with machine shop operations but I suspect that making the hex 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 use the hex head.<br>
Dave <br>
<br>
<br>
<br>
<br>
On Tuesday, April 29, 2025 at 07:30:40 PM CDT, Roger Elliott <<a href="mailto:elliottr@rmi.net" target="_blank">elliottr@rmi.net</a>> wrote: <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 turn 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>
Roger<br>
<br>
On 4/29/25 18:34, DAVID MASSEY wrote:<br>
<br>
<br>
Moss lists these as? <br>
<a href="https://mossmotors.com/323-215-screw-shaft-locating" rel="noreferrer" target="_blank">https://mossmotors.com/323-215-screw-shaft-locating</a> <br>
It may be whitworth or something. <br>
Dave <br>
<br>
<br>
<br>
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