The bumper bracket to chassis bolts are 12 x 1.25 x 25. Yes fine thread. The originals were also self threading.

Dennis,
And I still can't type on this Windows 8 Phone!
________________________________
From: Mike Bucchino Sr<mailto:mbucchino@charter.net>
Sent: ‎4/‎1/‎2013 3:02 PM
To: Dennis Haynes<mailto:d23haynes57@HOTMAIL.COM>
Cc: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
Subject: Re: Metal Bumper Bolts

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.