... ,Titanium Taper Head Bolt,Titanium Botton Head Bolts,Titanium Torx Bolt,Titanium Flange Head Bolt,Titanium Countersunk Flat Head Screws,Titanium Hexagon Socket Head Knurled Screws,Titanium Nylon ... -M22 4)Standard:DIN,ASTM,BS DIN 85,DIN433,DIN558,DIN610,DIN 963,DIN 912,DIN931,DIN933,DIN939,DIN 7991,DIN 965,DIN 966,ISO7380,DIN 555,DIN934 ...