... Screws size:M1.4-M64 1>Titanium bolt,Fastener Item NameTitanium FastenerMaterialPure Titanium and Titanium AlloyGradeGr1,Gr2,Gr3,Gr4,Gr5(Ti- ... ,DIN, IFI,UNC,UNC,JIS, BS,BSW ,ISODIN912,DIN913,DIN914,DIN915,DIN916,DIN931,DIN933,DIN934,DIN84,DIN963,DIN125,DIN ... and field testing" --Raw material (Ti bars): Aircraftgrade Titanium alloy 6Al4V and Ultrasonic inspection for Ti6Al4V bars --Advanced processing ...