Dan,
The frame is SAE. It's 3/8ths fine. Datsun didn't use coarse threads
anywhere on the frame - at least all the bolts that I can remember.
Mike
----- Original Message -----
From: "Daniel Neuman" <dneuman@quark.sfsu.edu>
To: <datsun-roadsters@autox.team.net>
Sent: Wednesday, July 11, 2001 6:57 PM
Subject: bumper bracket captured nut type???
> Hello All,
> Well I am going to try to install my bumpers soon.. The thing is I can
> tnot tell what the pitch and diameter of the captured nuts on the frame to
> bumper bracket mounts are?? The bolts that were in there ar not
right..they
> are almost right but I can tell from looking at them ahthat they were
shaved
> a bit going in.
> I also can not tell what the nuts are that are on the inner bumpers.that
> the mount bolt too. It appears to be some kind of weird metric course
thread..
> maybe M9 or something?? Its not 3/8 16 or 3/8-24.....
> Also any advice on how to go about doing this?? The old bumper brackets
> are pretty beat up and I am going to have to tweak them a bit to get them
to
> fit the new straight bumper.
> Daniel 69 2000
> SF CA
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