GR1 GR2 forged Titanium screw 1)Standard:DIN, ASTM, BS 2)Grade:Gr1,Gr2,Gr3,Gr5,Gr9,Gr23 GR1 GR2 forged Titanium screw Standard:DIN, ASTM, BSGrade:Gr1,Gr2,Gr3,Gr5,Gr9,Gr23favourable price for your best choice. Specifications Material Titanium, Titanium alloyOrigin Henan Grade Gr1,Gr2,Gr3,Gr5,Gr9,Gr23 Ti% 96Impurity 0.05 Standard DIN, ASTM, BS