... 5, 7, 9, 12 2.Standard : ASTM, DIN, GB/T 3.Parts: bolt and nut 4.Woodencase Pure ... Titanium Bolt: 1. Material: Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr122. Standard ... slot word screw, titanium cross slot screw.7. Parts: bolt and nut8. Intrinsic Quality: No organization ... surgical implants, chemical industry, as the parts of the cars,the bikes pure titanium bolt