What is the thickness of the tire bolts?

Publication date:

2025-05-08

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The metal anti-slip studs embedded in winter tires provide extra traction on icy roads. The size of the studs should be selected to match both the vehicle and the specific tire application.

Common thickness (diameter) of the studs
Diameter range: 4mm–9mm
Generally, light vehicles, such as cars, have bolt diameters ranging from 4 to 6 mm; whereas heavy vehicles, like trucks and construction equipment, use thicker 7- to 9-mm bolts to provide a larger contact area and increased durability.

Selection of the Stud Length
General length range: 8mm–20mm
Light tires (bicycle, electric car, etc.): 8–12 mm; General passenger car tires: 10–15 mm; Heavy tires (truck, tractor, etc.): 15–20 mm

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