... Holders, etc. ) Sandblasting fittings: Blast hose/air hose coupling: Nylon, brass, aluminium, cast steel Sand blast Nozzle hoders: Nylon, brass, aluminium, cast steel We ... -lug short shank Sandblast coupling (Dutile iron, Aluminium, Brass, Nylon) Steam hose coupling (Ground joint clamp) Universal air coupling (American type and ...