... casting and machining. 3.Standard:ISO9001. stainless steel type quick couplings.Description:Stainless steel Camlock Coupling Type F1.Material: Stainless Steel2 ... /2" 3" 4" 6"3.Standard: FED A-A-593264.Thread: NPT BSP5.Type: Type A,B,C,D,E,F,DC,DP6 ... .Brand name:KEYUAN Design drawings: Samples: stainless steel type quick couplings.