1)Bolt sizes:M2-M24*Length 2)Nut sizes:M2-M24 3)Washer sizes:M2-M24 4)Standard:DIN,ASTM,BS 5)Grade:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr23 We can produce coler titanium bolt,in gold and blue and red. Main Germany Standard:DIN 85,DIN433,DIN558,DIN610,DIN 963,DIN