Retractable Studded Tires

…the hole and retracting. With the stud inserted, the tread rubber compresses around the stud's flat head and cylindrical housing to hold it in place. Because it takes some time for the lubricant to evaporate and the tread rubber to securely compress around the stud, new studded tires require a…

…/ Snow Tire Tech: Studded Tire Break-In Studs for tires used in winter driving feature a tungsten carbide pin encased in a cylindrical metal housing that looks like a carpenter nail with its shaft cut short. Typically 80 to 100 studs per tire are inserted into small holes molded in the tire's tread…