EU 10/50Pcs M3/M4/M/5M/6/M8 for 20 30 40 Series Slot T-nut Sliding T Nut Hammer Drop In Nut Fasten Connector Aluminum Extrusion

About this itemMaterial:high quality carbon steel, the surface is Nickel-plated.These post-assembly nuts have high hardness and a long service life and good rust resistance.These hammer head drop in T slot nuts work well in 20x20 30X30 40X40 45X45 mm aluminum extrusion profile t-slot Please confirm the size referring image before purchasing.Size:M3M4M5M6M8Include 10/2pcs tee nut,they have clean thread,make your job easier.2020 3030 4040 4545 Series Aluminum Profile T-Nuts widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC laser cutters, Robotics Projects, 3D carvers, machine guards, workstations, etc.