That's the size for the front and rear small bolts that bolt the bumper to the brackets.  He asked about the bumper brackets to the frame.  These are larger , high-grade bolts.  I'm not sure of the sizes of these, but they are grade 9 or 10.

Sent from my iPhone

On Apr 1, 2013, at 1:34 PM, Dennis Haynes <d23haynes57@HOTMAIL.COM> wrote:

> 8 x 1.25 x 20
> 
> Dennis,
> And I still can't type on this Windows 8 Phone!
> ________________________________
> From: T Collins<mailto:tonycollin@GMAIL.COM>
> Sent: ‎4/‎1/‎2013 11:08 AM
> To: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
> Subject: Metal Bumper Bolts
> 
> Hello list,
> 
> Can Anyone tell me the appropriate specs for the bumper bolts on an 85
> vanagon. This one has the metal bumpers. It seems a PO owner
> put different bolts in when securing the bumper top to the chassis. The
> bumper is now loose and in need of replacement bolts.
> 
> Thanks,
> El t.