Rpi shop - 4 Pcs Corner Bracket Joining Plate with 20 Pcs of (M4X 8mm Screws) and 20 Pcs of (M4 T Nuts), for 2020 Series Aluminium Profile, Pack of 44 Pcs

Suitable for 20mm series T slot european aluminum extrusion, Use to build CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, machine guards, workstations, etc. 2020 Series T-Nuts carbon steel nickel-plated half round roll in sliding T slot nuts. Made from high quality carbon steel with nickel-plated for good rust resistance and better performance, high hardness and a long service life. Can be directly into the aluminum slot hole in any of the assembly post, back spring ball can be fixed its position which make installation very simple and reliable. Widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, robotics projects.