Description 15 Series End Fastener Assembly. These parts are 100% equivalent to the following manufacturers: 15FAC3865 – 5/16-18 thread: 80/20 #3380 T-Slots #651161 Frame-World #EF-29 McMaster #47065T156 15MFAC3720 – M8 x 1.25 thread: 80/20 #3897 T-Slots #651418 Please click here if you need the drill jig These End Fasteners Assemblies are a VERY economical way to make a 90° connection between two 15 Series extrusions. You will only need to drill a small access hole in one extrusion, and tap the end of the mating extrusion. Save time and money with this quick and almost invisible connection. These End Fasteners will fit in the 15 Series slot extrusions. The assembly includes two pieces – (1) 15FA3615 End Fastener Clip, and (1) Button Head Socket Cap Screw.
