100pcs Pre Assembly T Nut for 2020 Open Beam
100pcs M6, M5, M4 or M3 Pre Assembly T Nuts
It's for 2020 Aluminum Extrusion.
You need at least 27pcs of M5 Pre T Nuts for the metal corner of Kossel from us.
New arrival: Pre T Nuts for 3030 Aluminum Profile
Socket cap set screw M3*8, M5*8 are available