... . 3.Grade:Gr1,Gr2,Gr5,Gr7,Gr12 4.ISO9001:2008 titanium boltsStandard: DIN912, DIN933, DIN84, DIN85, DIN963, DIN7991, DIN6912, DIN931, ... M5*8, etc.A. mini titanium screw and titanium nuts: M1.0 to M4B. Usual titanium screw and titanium nuts: M4.0 to M24 or bigger ... produce according to customers' drawings.E. Titanium fastner and part for racing motocycle and racing bicycle.Size can be above metric size ...