[Healeys] bolt identification - another article

Mirek Sharp m.g.sharp at sympatico.ca
Mon Nov 26 14:47:53 MST 2018

Now I am feeling stupid for not having checked the obvious sources!  Thanks all for pointing me in the right direction.


From: Curtis Arndt [mailto:cnaarndt at gmail.com] 
Sent: November-26-18 12:56 PM
To: robertlarson at att.net
Cc: Mirek Sharp; John Vrugtman; Healey List
Subject: Re: [Healeys] bolt identification - another article




Bob Spidell reminded me that British Tools and Fasteners in New York has both Whitworth and BA thread gauges...




A bit more expensive, but very good quality




On Mon, Nov 26, 2018 at 9:25 AM Bob <robertlarson at att.net> wrote:

I wondered too.  So off I went on a quest.

Turned out to be easy.  $7.99 on Amazon.

https://www.amazon.com/THREAD-SCREW-PITCH-DEGREE-PROFILE/dp/B0753BWSJX/ref=sr_1_fkmr0_1?ie=UTF8 <https://www.amazon.com/THREAD-SCREW-PITCH-DEGREE-PROFILE/dp/B0753BWSJX/ref=sr_1_fkmr0_1?ie=UTF8&qid=1543250616&sr=8-1-fkmr0&keywords=ba0++ba10+thread+gauge> &qid=1543250616&sr=8-1-fkmr0&keywords=ba0++ba10+thread+gauge

So added to my tool "Hope Chest", as in some day I hope to use this.


55BN1 and a bunch of British motorcycles.


On 11/24/2018 5:57 PM, Mirek Sharp wrote: 

Curt – is there such a thing as a thread gauge for BA threads?  I think not as the TPI on a BA fastener is truly weird.


Despite having a few thread gauges, taps and dies for most BSW, BSF, CEI, NHF, UNC, some BA and some BSPP, and a number of references, I still occasionally get a stumper that does not fit anything.  BTW, if anyone is contemplating buying taps and dies, I highly recommend Tracy Tools in the UK.  They sell a range of qualities, all at good prices and provide very fast turn-around. https://www.tracytools.com/  I have no personal interest in them excepting seeing good people rewarded with business.




From: Curtis Arndt [mailto:cnaarndt at gmail.com] 
Sent: November-23-18 7:51 PM
To: Mirek Sharp
Cc: Michael Oritt; John Vrugtman; Healey List; Oudesluys
Subject: Re: [Healeys] bolt identification - another article




Here's what I consider the minimum for fasteners if you have British/European cars, and work on them. See attached photo... 


I also have a very limited but nice set of BSF, BSW and BA taps and dies made in Germany of very high quality HSS.  Also a set of BSF Helicoils in 1/4", 5/16" and 3/8".






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