ASTM A325 Heavy Hex Structural Bolts 1.Standard:DIN,ANSI,ISO 2.Material:35#,45#,40Cr,35CrMo,B7,304,316,316L 3.Finish:Plain ASTM A325 Heavy Hex Structural Bolts1.Standard:DIN,ANSI,BSW,JSB,ISO 2.Material:carbon steel,stainless steel,brass3.Surface treatment:Plain,ZP,YZP,Black,HDG,Nickel,Dacromet,PTFE MaterialCarbon Steel,35#,45#,40Cr,35CrMo,SS304,SS304L,SS316,SS316L,B8M SizeM1.6-M100,All size could ...