... Tyre Pin/Nail 1. Tungsten carbide tyre pin/nail. 2. The grade: YG6, YG8 etc. 3. 100%raw materials. Carbide Tyre ... Pin/Nail1. Tungsten carbide tyre pin/nail.2. The grade: YG6, YG8 etc.3. 100%raw materials. 4. Various ... series Tungsten Carbide Pins for the tyre stud/spike, due to the application of the double-action pressing machinery and the well-prepared materials, our ...