... various size cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... Length(H)10mm 11mm 12mm 13mm 15 mmHead Diameter ... material of tungsten carbide tire studs in car for Motorcycle, ATV, Farm, Tractor: GRADECoHcDenRSHV30GRAIN SIZEJX0197.5-9.011.0-14 ... welcomed.cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... carrbide punch pin:We produce different sizes and different ...