... and different shapes of tungsten carbide pins, studs, nails for the tyre stud, spike, shoes, horses, buses, trucks ... , etc. All of our materials for the carbide pins are made by our own Carbide Powder ... pins can be controlled within a very tight tolerance at +/-0.05mm. Samples and quotations will be ... Φ2.4/Φ2.08*5.8 Carbide studbodies for the tyre stud, spike, shoes, horses, buses, ...