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Norton Nuts & Bolts (thread Sizes).

Submitted by les_howard on Mon, 10/07/2017
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Nortons - General

Hi there. Would someone be so kind as to direct me to the long list of thread sizes for the Norton machines please? I have seen it before but after spending quite some time searching, I can not find it. Very much obliged....Les

Submitted by john_holmes on Mon, 10/07/2017

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That website will disappear one day, the company no longer operates, I created the PDF by going to the website and selected print and then selected print to PDF as the printer, a std feature of Win 10 and very useful for copying website pages. One of these days I will create a XLS file from it as I have already done for Triumph and BSA (they go wrong a lot more is my excuse). I have added the Tri/BSA so it can be used for x Ref.

Attachments triumph-fastners-parts-list-xlsx

Submitted by Xanna_jeannett… on Mon, 10/07/2017

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Previously les_howard wrote:

Hi there. Would someone be so kind as to direct me to the long list of thread sizes for the Norton machines please? I have seen it before but after spending quite some time searching, I can not find it. Very much obliged....Les

Hello Les well most of the Bracebridge Streetmachine were cycle thread and Whitworth and for the small nuts and bolts BA BritishAssociation standard threads and the best of the best For these Is NOOKS NUTS In nickel high-qualitysteels I have fittedboth my bike with NOOKS NUTS AND BOLTS AND WASHERS there even better than the stainless steels one I took off which were alwayscoming loose or even falling off in some cases you not better NOOKS NUTS BY A long Shot Yours ANNA J

Submitted by les_howard on Mon, 10/07/2017

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What a great response. Many thanks to Fritz, Barry, John and Anna. I must print these off. they are really useful...

However, apart from these, I have a feeling in the back of my memory that I have seen a different list which was compiled produced by Phil Hannan? I could be completely wrong on this but sometime back there was a discussion as to what size screws were used to hold on the chrome slider to the long Roadholder forks. It turned out to be a 5BA cheesehead screw which he then added to his list.

Another aspect of the nuts and bolts used on Nortons is the frequent use of non std. "Reduced Head Size" nuts and bolts, the shown lists don't seem to mention this but you can buy them if you search around.

Thanks again....Les

Submitted by les_howard on Tue, 11/07/2017

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Ahhh ...that's the one....thank you very much Barry. As suggested by Phil Ham at the time it would be very nice if this list could be completed. Thanks also to Phil Hannam for compiling it thus far. I'll copy all the variants for my personal data file as well as printing them off...Thanks again Barry.....Les

 


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