... : Gr1,Gr2,Gr3,Gr4,Gr5 2) various titanium bolts, nuts and fastener titanium standard part1) Material: Gr1,Gr2,Gr3,Gr4, ... Gr52) various titanium bolts, nuts and fastener1.Item:various titanium bolts, nuts and fastener2.Available material: Gr1, Gr2, ... 7,Gr12.Standards:GB, DIN ,ASME, ISOApplication Fields:Titanium and titanium alloy fasteners are widely used in aerospace,nuclear power, ...