... ,flange boltNut: M3-M64 hexagonal, wing/butterfly nut, flange nutThreaded Rod:4-2000mm full-tread, double end thread stud2.Materials option ... , 321, 317L, 2507, 2205, 254SMO, AL6XN, 1.4501,1.4529.Inconel X750 Inconel718 GH2132 Super duplex stainless steel F55, F51,F53 ... HastelloyB&C, Inconel, Incoloy etc.3.Standards: GB ,ANSI/AMSE, DIN, JIS and ...