titanium bolts and nuts M2-M18 color:blue,red,silver,blace,colored standard:DIN84,DIN85 DIN912 DIN933 stock Titanium Bolts,Titanium Nuts,Titanium Washer, ... we would recommend the use of Digital Vernier 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, ...