... original. 3.CNC lathe process. 4.ISO9001 certification. 1/8"-4" stainless steel hexagon nut. Features: ProductNameSTAINLESS ... 304; 316,316L,1.4308,1.4408,CF8M,CF8,2205Size rangeDN6---DN100,1/8-4"PressureDN6---DN100,1/8-4"ExecutiveStandardStandardANSI, ASTM, ... DIN, JISThreadBSPT; BSP; NPT;DIN2999;ISO7-1;ISO228CertificateISO ...