... DIN85, DIN963, DIN7991, DIN6912, DIN931, ISO7380,etc. Titanium Torx head Bolts,Titanium Nuts,Titanium Washer,Titanium Fastener.1. Material:Titanium grade ... Callipers and a Thread Gauge to measure thread pitch.4.Material Test Report:Chemical Composion And Physical Properties5. ... Products TypesHead Type:Round,Pan,Hex,Flat,Button,Truss,Oval,Binding,Chese,Fillister,etc. ...