... Standard: DIN912, DIN933,DIN963, DIN7991, DIN931, ISO7380, ISO7380 Trox. titanium part for biketitanium bike partTitanium fastenerCDM Specializing in manufaturing GR2,GR5Titanium screws ... can produce according to customers' drawings;E. Titanium fastner and part for racing motocycle and racing bicycle.