... %raw material 3, various size cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... Length(H)10mm 11mm 12mm 13mm ... -2.0Customized order is welcomed.cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... carrbide punch pin:We produce different ... different shapes of tungsten carbide pins, studs, nails for the tyre stud, spike, shoes, horses, buses, trucks, etc. All of our ...