... , DIN931, DIN933, DIN985, DIN125, DIN127, DIN9021, DIN6926 Metric titanium bolts :Titanium and Titanium alloy specifications: 1)Common Ground a, Bolt sizes:M2-M22* ... ,ASME,BSW,UNC,JISd, GRADE:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12,Gr23 2)Difference:a, Titanium for the chemical aspects,PCB ... . Please feel free to contact us upon your inquiry Metric titanium bolts