[Shop-talk] Lug Bolts?

[Paul Parkanzky]

My Audis have come with a hanger to put in the top hole to hang the wheel on
while you change it, but I never use it.  I have a VW, Audi, and Lotus and
have never begrudged the bolt.  Studs are a tiny bit more convenient, but
once you get the hang of it I don't think the studs slow you down much at
all...

-Paul

On Dec 20, 2007 12:23 PM, John Miller <jem at milleredp.com> wrote:

> > poorly, once you understand the motivations behind stuff.  As you say,
> > lug studs have been around forever, so if they're using lug bolts, they
> > have a reason.
>
> Nope, Europe's always been bolt-country, the US has long been
> stud-country.
>
> > One other possible advantage of lug bolts... I bet it makes
> > fabrication/assembly cheaper.  You just need to thread the holes in the
> > hub flange (which can probably be done at the same time as other
> > machining) vs. press in studs (which almost certainly can't).
>
> You could argue the other way 'round too, a thread-cutting operation is
> comparatively expensive compared to boring a hole.
>
> It's really a non-issue there, because once you add up the whole parts
> count and cost the automaker is just telling the supplier "We want this,
> done this way, and we'll pay this much" and the hub comes through the
> door either threaded or with studs in it.
>
> > Most folks don't change their wheels very often... Even if you only
> change
> > wheels/tires for winter vs. summer you're doing it more often than the
> > average car owner.
>
> Maybe true in the US, but seasonal wheel swaps are probably more common
> elsewhere.
>
> John.
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