titanium socket head cap screws:DIN912, DIN931, DIN933, DIN985, DIN125, DIN127, DIN9021, DIN6926 Titanium socket head cap screws : Titanium and Titanium alloy specifications: 1)Common Ground a, Bolt ... Torx Bolt,Titanium Flange Head Bolt,Titanium Countersunk Flat Head Screws, Titanium Hexagon Socket Head Knurled Screws,Titanium Nylon Lock Nut,Titanium Hex Nuts,Titanium Flange Nuts ...