THE STANDARD END FASTENER ASSEMBLY IS COMPRISED OF A BUTTON HEAD SOCKET CAP SCREW AND WING CLIP. THE END FASTENER PROVIDES A FIXED, 90 DEGREE, MODERATE-STRENGTH CONNECTION THAT IS COMPLETELY HIDDEN. THE WINGED TABS OF THE CLIP PREVENT THE MATING PROFILE FROM ROTATING. THIS CONNECTION METHOD REQUIRES TWO MACHINING SERVICES; AN END TAP ON THE MOUNTING PROFILE AND AN ACCESS HOLE IN THE MATING PROFILE IN ORDER TO REACH THE SCREW HEAD. ADDITIONAL INFORMATION: WING CLIPS ARE AVAILABLE SEPARATELY (WITHOUT THE BUTTON HEAD SOCKET CAP SCREW) FOR INSTANCES WHERE YOU WANT TO CREATE YOUR OWN CUSTOM ASSEMBLY.