This standard specifies the type, basic dimensions and technical requirements for spherical cylindrical head gill shaft screws of surgical instruments. This standard applies to gill shaft screws with spherical cylindrical heads of surgical instruments, which are used to fasten the gills of gill-mounted surgical instruments.
YY/T 0173.11-1994 history
2010YY/T 0173-2010 Surgical instruments.Gill shaft,bolt and rivet