View single post by Mark Rosenbaum
 Posted: 08-17-2005 06:17 pm
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Mark Rosenbaum

Joined: 03-12-2005
Location: Kingman, Arizona USA
Posts: 532
The thread depends on whether you have the original seat supports or replacements from Delta.  The original parts use a 5/16"-24 (SAE or UNF) allen bolt, while Delta's use a 5/16"-18 (USS or UNC) allen bolt.  For some reason captive nuts in the original thread don't seem to be available nowadays.  To their credit, Delta provides suitable new bolts with their seat supports.