... . Nice quality 5. Swift delivery time 1.tungsten carbide stud bodies/pins2. 100%raw materials3. blanks or finished4 ... one of the most biggest supplier of the cemented carbide products with various grades.ground or unground available virgin ... . We produce different sizes and different shapes of tungsten carbide pins, studs, nails for the tyre stud, spike, ... 5.2 Φ2.4/Φ2.08*5.8 cemented carbide studs pins