... Couplings, Female Thread, Nozzle Holders, etc. ) Sandblasting fittings: Blast hose/air hose coupling: Nylon, brass, aluminium, cast steel Sand ... Brass, Aluminum, SS316, SS304, PP and Nylon) Guillemin coupling Aluminum and Stainless steel Safety clamps (conform to DIN2817), ... Aluminium and Stainless steel Bauer type coupling (Bauer type, Latch type, Bauer type with thread) ...