Bolts will definitely be different quality, from different steel compositions and possibly manufactured different process depending on who made them but it's hard to say which ones will be better. I have used several cheap sets from e-bay for wheels without any issues, for wheels because merc wheels are thicker and need longer bolts that is and not spacers.I would think that bolts are way over-engineered for safety reasons any way so if you get a bit lesser quality they will still be fine. I guess you cannot go wrong with OEM bolts either new or second hand but it's bit more tricky if you need different specification like length or seat type.
Talking about seat type, are those spacer bolts with taper, radius or flat seat? If flat I would probably be tempted to use threadlock for them.
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Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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15th July 2014, 08:52 AM
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