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Yes, it's M12x1.5 (12mm diameter, 1.5mm thread pitch)
The stock wheel studs are 40mm long.
For M12x1.5 you need at least 8 turns of thread engagement to be safe. It's easy to replace the
studs if you need longer ones. At 1.5mm per turn, a 45mm wheel stud will give you an extra three turns.
Stock steel wheels use different lug nuts than the stock alloy wheels.
Steel wheels use 60 degree cone style lug nuts
Stock alloy wheels use "mag style" nuts with washers. These are stepped. They are flat where they
meet the wheel, and part of the nut extends inside the wheel to protect the stud threads.
What wheels do you have now and what shape of lug nut is required for the new wheels?
Last edited by djb2; 08-16-2008 at 09:01 AM.
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