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Front mount head bolts
https://ukbeg.com/forum/viewtopic.php?f=8&t=25590
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Author:  gusm2 [ 10 Mar 2025 15:56 ]
Post subject:  Front mount head bolts

Can anyone remind me of the length and thread size of the two head bolts for the isolator mount

Author:  gusm2 [ 10 Mar 2025 22:23 ]
Post subject:  Re: Front mount head bolts

7/16 x 2 3/4 UNC ?

Author:  barney [ 11 Mar 2025 08:50 ]
Post subject:  Re: Front mount head bolts

some would say that it is AMC .
others have posted that ANC is the same as UNC
I thought that the thread angle was different but just googled and looks to be the same
google Anc thread angle search

"Summary of Thread Included Angles
Thread data
UNF, UNC, ANF, ANC 60°;
.
BA 47½°;
Metric or ISO 60°;
BSW, BSF, BSP 55°;
Acme 29°;
British Standard Cycle Thread (BSC) = Cycle Engineers’ Institute (CEI) 60°."

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