... .Copper, Bronze,Brass 2.Stainless Steel 3.Aluminum 4.Titanium Material List:1.Copper: C1100,T2 fasteners2.Bronze: C65100,C65500, C51900, ... (CuZn38Pb2), CZ121,C3604 fasteners4.Stainless Steel(SS): 304,316 fasteners5.Aluminum fasteners6.High Strength Steel: Grade 12.8 fasteners7.Titanium: CP1 ... trust our product quality.Other Products: ; Copper,Bronze,Brass,SS,Aluminum,Titanium material