... nid bolts,Flat countersunk bolts,Double end studs,Self tapping screw.2.Ti Nuts: Hexagon nut,Wing nuts,Flat head nuts ... ,Gr.7,Gr12.Standards:GB DIN ASME ISOApplication Fields:Titanium and titanium alloy fasteners are widely used in aerospace,nuclear power ... ,metallurgy,chemical,medicine,military,textile,medicine and petroleum1)Bolt sizes:M2-M22Length2)Nut sizes:M2-M223)Washer ...