... M30 Application:motor,auto,bicycle,racing titanium bolt titanium nut titanium screwStandard:GB,DIN,ASME,BSW,UNC,JISGread: ... Gr5,Gr7,Gr9,Gr12,Gr23Application: Bicycle,Motorcycles,car,bike, machine, industry,military,metallurgy,medical machinery,survey,corrosion Our high ... others . - As the certifications about , ISO 90012000 , GB/T 19001∼ 2000 . We possesses the completed precision CNC turning, milling ...