Thomson® Lead Screw Flange, 5/8-18, 1.6 in Outside Dia, 1/4 in Thickness, 0.177 in Dia Bolt, 0.177 in Dia Mounting Hole, For Use With: SNAB Thread Mount Anti-Backlash Supernuts®/SN Thread Mount Supernuts®/Thread Mount Bronze Nuts, Aluminum
These mounting flanges are designed for easy mounting when fixed to a bronze nut or Supernut®