Titanium bolt/screw/nut Grade:Gr.1,Gr.2 Gr.3 Gr.4 Standards: GB,DIN,ASME,ISO Packages:wooden case Titanium bolt/screw/nutGrade:Gr.1,Gr.2 Gr.3 Gr.4Standards: GB,DIN,ASME,ISOPackages:wooden caseApplication Fields:Titanium and titanium alloy fasteners are widely used in aerospace,nuclear power,metallurgy,chemical,medicine,military,textile,medicine and petroleum.