Titanium screw: 1.excellent quality 2.delivery in time 3.provide third-party inspection reports (Item NameTitanium FastenerMaterialPure Titanium and Alloy TitaniumCodeGr1,Gr2,Gr3,Gr5,TC4StandardDIN933,DIN 912,DIN923,DIN125SpecificationBolt:M2-M22Nut: M2-M22Washer: M2-M22Surface TreatmentSand blasted then painted, electrophoresis, Zinc platedFeaturesToughness, light weight, acid and alkali ...