Detailed Selling Lead Description We are suppliers of Camlock & Grooved coupling, Double bolt clamp, Universal hose coupling, K.C Nipple,2 & 4 clamp, hose mender, Sandblast coupling, brass valve, stainless steel valve. These products are according to us mil-c-27487 via silicon sol precision casting process tooled by cnc machine, easy to open, good seal performance and safe bolt standard: According to us mil-c-27487 Linking: NPT, BSP, BSPT Type: A, B, C, D, E, F, DC, DP Size:1/2" ----6" Material: S/S 316, S/S 304, PP, Brass, Aluminum