... 4V),Gr7,Gr9,Gr12, etc.StandardGB,DIN, IFI,UNC,UNC,JIS, BS,BSW ,ISOSpecificationBolt:M4-M64*L6—300mmNut: M4-M64Washer: ... equipment, abundant experiences and skilled workers, we process titanium material according to China or International standard(2)With own Management, Purchase, ... the best service for each client.(3)Material Test Certificate provide before delivery to ensure the quality if you need.(4 ...