Technical & Reference Section > Tech and Restoration
Correct sized allen bolts
mark 2:
Don't buy M8! You'll fook up the threads.........5/16 x 1" UNC is what you need. Standard thread sizes have changed since Hutch stems were made, it all metric now (M8 for example), Unified Coarse Thread is what you need, aka American Standard, for a 5/16 bolt it has 18TPI, M8 would have 20TPI and the pitch of the thread is different (the base of the thread is thicker). The long and short is it'd fook up your stem....
Dingobmxer:
I would be VERY suprised if they are metric, as alex sid some kind of unc thread normally on USA stuff (all my S&M stems and DK stems are UNC)
are there not any fastener suppliers near you you could go down and get them to try somebolts in for you?
:) DINGO :)
mark 2:
This is what you need......
http://cgi.ebay.co.uk/5-16-x-1-UNC-Stainless-Steel-Allen-Bolts-x-6_W0QQitemZ130147512996QQihZ003QQcategoryZ10458QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
bewarethefox:
Just bought some M8's on Ebay, damn should have waited a minute! Oh well its only a couple of quid! So Mark these are definitely the ones?? I'll get them as well now. Thanks lads, Jonathan.
mark 2:
They're exactly what you need and as cheap as you'll find them. My local hardware specialist wanted £40 for 8 in stainless! :daumenhoch:
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