Sandblasting nozzle,sand blasting nozzle,blasting nozzle,boron carbide nozzle,tungsten carbide nozzle,silicon nitride nozzle,cer We supply sandblasting nozzles with regular types of straight bore and venture bore,such as boron carbide nozzles,silicon carbide nozzles,tungsten carbide nozzles and ceramic ones.Estimated service life of nozzles(In hours)Nozzle MaterialSteel Grit/ShotSandAluminum ...