... ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20),Stainless steel(303,304,304L,316,316L),Brass ... we can offer? 1.NameHex head bolt,Square head bolt,Round head bolt,Hex socket bolt,Carriage bolt, Track bolt,Flang bolt,Welded eye bolt2.StandardDIN, IFI ... ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20),Stainless steel(303,304,304L,316,316L),Brass ...