... standard products As follows: Sandblast Coupling ( Hose Couplings, Female Thread, Nozzle Holders, etc. ) Sandblasting fittings: Blast hose/air hose coupling: Nylon, brass, aluminium, cast steel ... ) Pin-lug short shank Sandblast coupling (Dutile iron, Aluminium, Brass, Nylon) Steam hose coupling (Ground joint clamp) Universal air coupling (American type and European ...