... spike, hardmetal pin We produces a series Tungsten Carbide Pins for the tyre stud/spike, due to the ... at +/-0.05mm All of our materials for the carbide pins are made from the Electrolytic ... 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 ...