[Healeys] Fastener Curiosity
John Harper
ah100register at gmail.com
Fri Jun 5 12:07:10 MDT 2020
Mike
Just as a matter of interest; early Whitworth fasteners like nuts and bolts
heads were originally larger than is the general case today
They were one size different so for example on a spanner you will see
markings like 1W/4 and 5/16 BSF. on the same end.
Best regards
On Fri, 5 Jun 2020 at 14:04, Michael MacLean <rrengineer.mike at att.net>
wrote:
> Kees,
> I know the difference. I have a degree in mechanical design and have
> worked as an aerospace fastener designer. The threads in both nuts were
> exactly the same BSF thread. The only difference was the distance across
> flats were BSF/Whitworth on one set of nuts and SAE across flats distance
> wise on the other set. That is what surprised me. I did not know hybrid
> fasteners even existed, but both sets were sold as fastener sets for 100-4
> pedestal studs.
> Mike MacLean
>
> Sent from AT&T Yahoo Mail on Android
> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>
> On Fri, Jun 5, 2020 at 3:33 AM, Kees Oudesluijs
> <coudesluijs at chello.nl> wrote:
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/ah100register@gmail.com
>
>
--
Best wishes
John Harper
AHC UK 100 Register Secretary
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20200605/bdefa0b8/attachment.htm>
More information about the Healeys
mailing list