Technical & Reference Section > Tech and Restoration

TUF/ PRO NECK hardware.

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Wadz:
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

rooski:
pro necks are 5/8" unf , 18 tpi , this is a fine thread. :daumenhoch:

Wadz:
cheers but  whats the tpi of the TUF NECK bolt as my PRO NECK has a really coarse thread.

rooski:
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. ;)

Wadz:
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!

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