RADBMX.CO.UK
Technical & Reference Section => Tech and Restoration => Topic started by: Wadz on March 14, 2009, 08:05 AM
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hi, could any one tell me what thread the large bolt that holds the stem head to the shank on a tuf or pro neck is
i know theres two types but which is which ,ie coarse or fine threads
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pro necks are 5/8" unf , 18 tpi , this is a fine thread. :daumenhoch:
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cheers but whats the tpi of the TUF NECK bolt as my PRO NECK has a really coarse thread.
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mmm.. the tuf neck will be either 11tpi or 18 tpi. 18 is the finest thread for the big bolts on either stem.count the number of threads over 1 inch. ;)
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cheers for that, my pro teck has a 11tpi threaded bolt which has snapped ,
ordered a new one from usa for a pro neck and recevied a 18tpi bolt , f*#k!