Made from carbon steel,have high hardness, surface is Nickel plated or Zinc plated for good rust resistance.
Used for T-slot aluminum profile 40mmx40mm.
Easy to be roll into T slot of aluminum profile.
Half Round Roll In Sliding T Slot Nut 8mm Slot They are simple to use and convenient to connect aluminum profiles to other parts.
4040 Series Aluminum Profile T-Nuts widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects