... ,GR9 2.Standards:DIN7984,DIN6912,DIN84,DIN85,DIN7048 Specifications titanium screw with high quality and best priceMaterial:GR1,GR2,GR3.GR5 ... ,GR7,GR9 M2.5-M24Standard:DIN933 934 912titanium screw:Titanium products includes bolts,screws, nuts, shafts , shaft liners, flange ...