Original bolt is M12x1.5x20 mm, property class 10.9 which is similar to a
Grade Eight bolt in the US system.

Since this will be a smaller bolt doing the same job, should use *at least*
10.9/grade eight depending.

Yrs,
d

On Wed, Oct 3, 2018 at 5:04 PM ddbjorkman@verizon.net <
ddbjorkman@verizon.net> wrote:

> Hi Dan;Don't fret.  This is not a problem.  Not surprising that the bolts
> from your OEM bumper don't fit, its flat, as opposed to your nice new tube
> bumper.  If someone does not come up with the exact answer, measure the
> bolt hole (verniers would be nice, but a good eye and a ruler will work),
> estimate/measute the distance from where the bolt head goes to where it
> exits the frame.  Add washer (2) and nut length and a bit more.  Go to
> wherever you get hardware, buy the bolt and try it.  Don't be disappointed
> if it takes a couple of tries.  Usually hardware places don't have a
> problem switching incorrect bolts.  Hardness shouldn't be an issue, unless
> someone else chime in on that.
> Dave B.
>
> -----Original Message-----
> From: Dan N <dn92610@GMAIL.COM>
> To: vanagon <vanagon@GERRY.VANAGON.COM>
> Sent: Wed, Oct 3, 2018 1:56 pm
> Subject: please help - bumper bolt
>
> hi all,
>
> does anyone has this steel tube style bumper? if you do could you please
> tell me what size of the bolts?
>
> the pics of bumper and a bolt - the bolt is from OEM square style metal
> bumper and it doesn't fit in the tube bumper. The OEM bolt is a bit larger
> in diameter and has different thread.
>
> https://www.thesamba.com/vw/forum/album_page.php?pic_id=1829844
>
> https://www.thesamba.com/vw/forum/album_page.php?pic_id=1829845
>
> thanks
>
> dan
>