titanium screw for industry 1.Bolt sizes:M1.5-M20*Length 2.Material:Gr2,Gr5,Gr7,Gr23 3. ... screw: Item nameTitanium screwMaterialTi Grade 2, Grade 5(Ti6Al4V), Grade 7, Ti6Al4V ELIStandardDIN912/933/7991/7984/6921,ISO 7380,JIS,BS ... nameColour titanium boltMaterialGrade 2, Grade 5(Ti-6Al-4V), Grade 7, Ti-6Al-4VELI (Gr23)StandardDIN912/933/7991/7984/6921,ISO7380 ...