Kevin,

They are M8-1.25X16mm Flange head cap screws (high grading I would imagine.)  I got mine from RX7world.com. who got them from the factory.

Joe
 

---- Original message ----
>Date: Fri, 22 Aug 2008 09:07:20 -0700
>From: "kevin lane" <n3773@comcast.net>  
>Subject: [FlyRotary] flex plate nuts needed  
>To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
>
>   I FINALLY found a flex plate, but no nuts.  I
>   remember them being special.  does anyone have any,
>   or know where I might find some?  bobby, do they
>   sell them at dealerships?  FYI - local junk yards
>   quoted me $100 & $120 for the plate.  after a bunch
>   of internet searching I found one in Lynn MA for $20
>   + $20 shipping.  they are hard to find.  Tracy, you
>   should make the design use a Chevy 350 flex plate
>   ($20, anywhere).    kevin   portland, or  (about to
>   depart on another life-threatening hobby, kayaking,
>   on the grand canyon for 18 days(240+ miles).   maybe
>   Tracy will float by!)