... ,GR7,GR9 2.Standards:DIN7984,DIN6912,DIN84,DIN85,DIN7048 Specifications titanium screw with high quality and best priceMaterial:GR1,GR2,GR3.GR5 ... , sprocket wheel.Titanium and Titanium alloy specifications:1.Common Grounda, Bolt sizes:M3-M24*lengthb, Nut sizes:M3-M24c, Standard:GB,ISO,DIN ... ,BS,JIS,ANSI/ASME,BAd, GRADE:GR1,GR2,GR3.GR5,GR7,GR92.Difference:a, Titanium for the ...