Cam & Groove Couplings Size:1/2"-6" Thread:NPT ,BSPP Basic design:DIN2828,MIL-C-27487 Type:A,B,C ... ,D,E,F,DC,DP... Cam & Groove Couplings1.standard: Our ... 8' 4.Body material:SS3165. Cam levers:We use stainless steel cam levers and brass cam levers. 6.Pins,Rings and ... )(); Our factory offer investment casting high quality Stainless Steel 316 Cam & Groove Couplings