Sandblast nozzle boron carbide nozzle spray tip replacement sandblaster cabinet. au $21.52. free shipping. popular . hole 5/6/7mm sandblaster nozzle 36x21 boron carbide nozzle replacement sandblast. au $29.53. free shipping . 6.9'' sandblaster nozzle sand blast lined boron/tungsten carbide with a coupling. Sandblaster nozzles, tips, insertsorder online. thursday, april 23, 2015. glass blasting media is quickly becoming a direct replacement for many sandblasting abrasives. made from crushed recycled glass bottles it is silica free and great for the environment. Material: boron carbide (b 4 c). jacket: aluminum / polyurethane protector. the gas dynamics of venturi nozzle is better than straight-hole nozzle, the vortex is improved or ceased to exist, greatly reduced the pressure loss in the same pressure conditions. Double venturi belongs to high speed type, with eight holes around the shell, due to the high speed air flow, the speed of air ejecting faster than compressed air, speed of blasting is higher. 6mm 7.9mm 10mm 12mm boron carbide sand blasting nozzle, boron carbide spray nozzle for sandblasting. 32 pieces (min.