... and groove coupling cap 1.Type:A~DP 2.Standard:EN,DIN, OEM 3.Material:pp,nylon,aluminum,ss,brass 4.High ... steelBSPP,BSPT,NPTDC typedust cap1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTDP typedust plug1/2" ~ 8"Polypropylene, ... Nylon,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTOther related product: Air hose fittings,Guillemin ...