Standard:GB,JIS,ANSI,ISO,DIN,NUI Grade:Gr1.Gr2,Gr5,Gr7,Gr9,Gr23 Titanium standard part:1.Material:Titanium and titanium alloy ... ,Nickel and nickel alloyStandard:GB,JIS,ANSI,ISO,DIN,NUI2 ... Grade 7, Ti6Al4V ELIStandardDIN912/933/7991/7984/6921,ISO 7380,JIS,BS etcSizeM3~22XCustom lengthColourGold, Blue, Purple, Green, Ti natualStrength ...