... Material:Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12,Gr23 3.Thread Rod:M2-M30 4.Standard ... Gr3,Gr4,Gr5(Ti-6AL-4V),Gr7,Gr9,Gr12, etc Standard:GB,DIN, IFI,UNC,UNC,JIS Item ... Gr2,Gr3,Gr4,Gr5(Ti-6AL-4V),Gr7,Gr9,Gr12, etc.StandardGB,DIN, IFI,UNC,UNC,JIS, BS,BSW ... acid and alkali resistance, anti-corrosion, excellent mechanical strength etc.ApplicationsEquipment accessories: airplane, ship, bicycle, motorcycle, auto, ...