... steel quick release coupling connectors B 1.Size:1/2-6 2.Types: A,B,C,D,E,F,DC, ... DP 3.Samples:free samples 4.CE,ISO stainless steel quick ... release coupling connectors B 1,Material: 304,316,316L, ... MIL-C274876,Size:1/2”-6”7,Types: A,B,C,D,E,F,DC,DP8,Thickness:SCH20, SGP ... -3 stainless steel quick release coupling connectors B