6mm thread, 1.0mm thread pitch, 10mm hex.  Very common, most any FLAPS
should have these.
--
Jim Thompson
84 GL 1.9 "Gloria"
84 Westfalia 2.1 "Ole Putt"
73 K Ghia Coupe "Denise"
72 411 Station Wagon "Pug"
oldvolkshome@gmail.com
http://www.oldvolkshome.com
jim@airheadparts.com
***********************************
On Wed, Jul 23, 2008 at 3:29 PM, Dan Barrett <dbx@pobox.com> wrote:

> Volks:
>  Subject says it all: the nut holding the driver's side windshield
> wiper on has stripped.  Anyone know the diameter and thread pitch so I
> can hit my local hardware store for a replacement?
>
> Best,
> d.
> 1990 GL -- "Mudskipper"