Sandblasting nozzle,sand blasting nozzle,blasting nozzle,boron carbide nozzle,tungsten carbide nozzle,venturi nozzle,Si3N4 nozzl We supply sandblasting nozzles with ... of straight bore and venture bore,such as boron carbide nozzles,silicon carbide nozzles,tungsten carbide nozzles and ceramic ones.Detailed Product Description Product ...