[Healeys] column bolt thread

[Curt/Nancy Arndt]

OK Guys,

I just checked my BN1 steering column, and it looks to be closer to 3/4" x
20 TPI which IS a valid BSC (BSCy)  thread.  I'm just amazed that they used
a cycle thread for this application.

I've attached a copy of my BSC reference chart.

Cheers,

Curt

On Wed, Jun 22, 2011 at 6:55 PM, Curt/Nancy Arndt <cnaarndt at gmail.com>wrote:

> Nick & Bob,
>
> I'm a bit confused here.  As far as I am aware, BSC does not  come in a
> 13/16 " size.  While there appears to be a select few sizes that come in
> both 20 and 26 TPI, it does not include 13/16".   In fact, my reference
> charts show that the only sizes in BSC that have both a fine and coarse
> thread are... 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".
>
> I missed the history on this thread but we are talking about a British Bike
> here and not a Healey?
>
> Nick do you have a copy of the reference chart you got this information
> from?  I'd like to include it in my reference material since I'm writing
> another article on British fasteners for Austin Healeys.
>
> Thanks,
>
> Curt
>
>
> On Wed, Jun 22, 2011 at 5:46 PM, Bob Haskell <rchaskell at earthlink.net>wrote:
>
>> Nick,
>>
>> I didn't realize that there was a fine and a coarse thread series for
>> British Standard Cycle.  Thanks for pointing that out.  13/16-20 is a valid
>> BSC coarse thread size.
>>
>> Cheers,
>>
>> Bob Haskell
>> AHCA 3000 Mk I registrar
>> http://www.ciahc.org/registry_**3000mk1.php<http://www.ciahc.org/registry_3000mk1.php>
>>
>>
>> On 06/22/2011 03:12 PM, nconklin at sbcglobal.net wrote:
>>
>>> BSCY / 20TPI is the ticket for cleaning up the threads, works just
>>> fine....Nick C.
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[demime 1.01d removed an attachment of type application/pdf which had a name of BSC Data, Classic Fasteners, Australia.pdf]