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Author Topic: bolt thread size  (Read 1005 times)

Offline rockthedog

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bolt thread size
« on: 09.12. 2011 15:37 »
hi all any one help me with the bolt thread size bsa a10 bottom fork caps are they BSW ,BSF,OR UNC ,thank you *sad2*
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Offline Beezageezauk

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Re: bolt thread size
« Reply #1 on: 09.12. 2011 16:27 »

I believe that it's part number 42-5084 you are asking about.  The 4 fork end cap bolts for 1958-on models with the cast iron full width hubs.  They are 5/16 CEI (26 TPI Cycle Thread).

Beezageezauk.
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Online bsa-bill

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Re: bolt thread size
« Reply #2 on: 09.12. 2011 16:31 »
Hi rockthedog - they're cycle thread BSCY (26 tpi at that size) most (but not all)threads on A10 are either Cycle, Whitworth, or BA and an odd sized one or two in the whirly bit
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All the best - Bill
1961 Flash - stock, reliable, steady, fantastic for shopping
1959 Rocket Gold Flash - blinged and tarted up  would have seizure if taken to  Tesco

Offline rockthedog

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Re: bolt thread size
« Reply #3 on: 09.12. 2011 17:30 »
Quote from: Beezageezauk on 09.12. 2011 16:27

I believe that it's part number 42-5084 you are asking about.  The 4 fork end cap bolts for 1958-on models with the cast iron full width hubs.  They are 5/16 CEI (26 TPI Cycle Thread).

Beezageezauk.

thank you so much beezageezauk
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