... :M3-M20*Length 2.Material:Gr2,Gr5,Gr7,Gr23 3.Standard:DIN,ASTM,GB,BSW,UNC,JIS titanium screw for industry1 ... -6al-4v)fasteners are popular in the industry of racing motorcycle and cars for its high tensile strength and lightness,it ... is mainly used in racing car,motorcycle and bike.>>.titanium grade2(pure titanium) fasteners are mainly used ...