Product details Item Name titanium screw, titanium bolt, titanium nut, titanium washerMaterial titanium,titanium alloyGradeGR2 and GR5 (Popular Grade)GR7,GR9,GR11 Standard DIN,GB,ISO,JIS colour ... of the leading titanium hex head bolts manufacturers, Titanium Industry is also well-known among those credible such suppliers in China. Equipped with a ...