The file '4mm T Nut For Extruded Aluminum. TEVO Tornado 3D Printer Model' is (stl) file type, size is 4.2MB.
This is a turn in style t-nut with a 4mm hole (slightly smaller). Hand thread a 4mm screw into it to cut the threads before installing. It holds tight in the extruded aluminum.
This was designed for the TEVO Tornado but should work for other extruded aluminum also.
Turn_in_T_nut.stl | 41.8MB |