... . thread: BSP OR NPT E Type Aluminum camlock coupling(cam and groove quick coupling, camlock, quick coupler) specifications:1. Standard ... of our cam or groove coupling:our camlock coupling are made to standard2. Casting method of ... coupling: 1/2"-8"4. Camlock Type: A, B, C, D, DC, DP, E, F5. Body material: Aluminum ... Our Camlock: NPT OR BSP E type aluminum camlock coupling, quick coupling