Type E aluminum quick coupling camlock 1.Material :AL 2.Size:1/2"-6" ... .Threads:BSP,NPT DIN 4.Casting Method:Gravity casti Camlock quick coupling Type EMaterial:AL,stainless steel, brass, PP, Nylon Size ... : Grind, Oidation, Sand blastThreads:BSP,NPT DIN Type E aluminum quick coupling camlock