Why We Need Use Tire Studs In Winter?

October 28, 2022

Tire studs are small metal protrusions inserted into winter tires to improve tire-road friction in snow or ice conditions. 

The typical studded tire is a winter tire with between 60 and 120 inserted small metal studs.  These studs are usually made of tungsten carbide (an extremely hard metal), weigh 1.7 – 1.9 grams each and protrude about 1.2 – 1.5 mm from the tire surface.  Studs are made by embedding a small metal “jacket” into the tire then inserting a tungsten carbide pin into the jacket.  

This pin is tapered so that it will move back into the jacket when the dynamic forces acting on it reach a certain critical level.  If this subtle stud movement is properly calibrated the result is a tire stud that maintains a near-constant protrusion length even as the rest of the tire wears down.  This type of stud is called a controlled protrusion (CP) stud.

As studded tires increase traction on icy surfaces, tire studs is more necessary for winter cars and racing cars.

If you have any inquiry for tire studs, you can contact us.

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