... -slip nail we are the biggest manufacture for carbide nail a good wear resistance and ... 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 ... .4/Φ2.08*5.8 Carbide studbodies for the tyre stud, spike, shoes, horses, buses, trucks, etc. ...