... :M3-M20*Length 2.Material:Gr2,Gr5,Gr7,Gr23 3.Standard:DIN,ASTM,GB,BSW,UNC,JIS titanium screw for industry1 ... 5(Ti6Al4V), Grade 7, Ti6Al4V ELIStandardDIN912/933/7991/7984/6921,ISO 7380,JIS,BS etcSizeM3~22XCustom lengthColourGold, Blue, Purple, Green, Ti ...