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Originally Posted by JCFair Raymond, I am real confused.
It is clear my W210 has W211 wheels off a 03' E320. I think you are saying above the treads for the W211 bolts are different and the W210 bolts are too short.
My car has bolts all keyed to an anti-theft socket. I thought this was really strange since normally only one per wheel is an anti-theft socket. Instead of 4 anti-theft bolts I have 20. Is this how they got around the W210 bolts to short for W211 wheels? Or am I luck my damn wheels haven't fallen off? Welcome to Otis Inc., LA
Please forgive me, I am not bolt savy. Let see to use a W211 wheel on a W210 requires a 12mmx1.5 R14 ball seat by how long a shank? I like the oticincla web site.
Regards, John |
the 211 bolt is thicker and uses larger radius ball seat. that's a given. no, I dont
know for sure if the bolt required is shorter or longer, though the odds are that
they need to be shorter for 211 rims vs 210 rims.
to verify length, you should insert your 210 bolts into your 210 rims and measure
the length sticking out the back...past the hub face. we'll call this (X).
okay, now go to your 211 rim and measure the thickness of the rim/metal right
at the lug. add (X) to this and that should give you the proper length of the bolt
you need.
in my case, my 210 OEM rim (10 hole design) was about 3/4" thick at the lug.
the 211 rim I purchased is 3/8" thick at the lug, ergo the conversion bolt needed
to be at least 3/8" shorter than OEM bolt for the 210 rim.
if the bolt is too short, you introduce yet again, another short changing in design
by not having enough grip into the hub. if it's too long a bolt, then the bolt
potentially intrudes into the hub and parking brake mechanism. that's where
folks hear clicking...or worst case scenario....the rim/tire wont even rotate
properly.
example
if you're saying that your security bolts from OtisInc , you may have the wrong
bolts. because the last I checked, they do not offer 211 to 210 security
conversion bolts which have 14mm ball seat. if this is still the case, then you
have 12mm ball sitting within a 14mm ball seat. again, refer to the ball seat
drawing above. there is a measure of risk, since the bolt is 12mm diameter
within a 14mm lug hole....then, the reduced bearing surface with the 12mm-in-
14mm ball seat.
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