Wheel nuts
Submitted: Friday, Mar 06, 2015 at 11:06
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Jesse David C
Hello, can anyone please help me. I have 200 series alloy wheels that I received from friend with no wheel nuts. They require a 21mm diameter shank nut. I have got 18.5mm shank nuts. Can I use them or do I need the bigger ones. I have been told 18.5mm nuts will be ok.
Reply By: Ron N - Saturday, Mar 07, 2015 at 13:20
Saturday, Mar 07, 2015 at 13:20
Alloy wheels always require larger shank diameter wheelnuts as the alloy metal is softer than the steel used in the steel wheels.
This ensures the pressure on
the nut seating area of the alloy wheel hub, from torqueing the wheelnuts, is spread over a larger area.
Thus, it's crucial to use the correct wheelnuts. You will suffer from irrepairable wheel damage and wheelnut loosening if you use smaller shank diameter wheelnuts, than the proper original factory wheelnuts.
Cheers, Ron.
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549550
Follow Up By: Jesse David C - Saturday, Mar 07, 2015 at 16:49
Saturday, Mar 07, 2015 at 16:49
Thanks Ron. I have ordered the genuine wheel nuts which are 21mm not 22mm as some have suggested.
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