1.UNS S31803/F51/2205 hex head bolts 2.ANSI ,DIN,ASME,ASTM 3,M6-M100(1/4-4inch) 4.hastelloy,Monel,Inconel,Ti Features:1.S31803 / UNS S31803 / 2205 / F51 special alloy fasteners bolt and nut2.Standard:ANSI ,DIN,ASME,ASTM3Size:6-M100(1/4-4inch), also according to customers' reqquirements.4.Material: inconel ,S32750,S32760,S31803,904L,Incoloy 925, ASTM A453- 660A,Inconel 625, Hastelly C-22, Monel ...