We use these Premium Studs and Nuts exclusively on our BMW race cars. They have greater strength and durability than standard Street studs.
Racing conditions mean studs take a lot more abuse than seen on a typical street application. The Premium Bullet Nose wheel studs are simply stronger and a higher grade than standard studs. Bimmerworld's stud specs are truly impressive: heat-treated, 12.9 grade, high-tensile 190,000 psi strength, Chromoly steel, which is shot-peened for additional strength and individually double magnaflux inspected. Additional design features help prevent the typical stress risers caused by threading the stud into a steel hub. The threads are phosphate and oil coated, and are rolled instead of cut which results in a smoother engagement with fewer imperfections. Anaerobic threadlocker is pre-applied which eliminates the need for additional Loctite. The black wheel nuts are zinc coated to resist corrosion, and they have a M12x1.5 thread and 60 degree taper to fit all BMW-applicable wheels.
Package includes 20 studs, 20 lug nuts, and 2 stud install nuts.
Product Note: These wheel studs are intended for track/race applications where frequent wheel changes occur. These studs do not have a cosmetic finish applied. If used on street applications, especially in the winter, light surface oxidation/discoloration may occur.
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