4040 Series M8 T Slot Nuts Roll-in Spring Ball Loaded Elastic Nuts Carbon Steel for 4040 Series Aluminum Extrusion Profile Rail with 8mm Slot for 3D Printer20Pcs

Product Type: High quality hammer head drop in T slot nuts assortment kit | Macteria:Made from high quality carbon steel,have high hardness, surface is Nickel-plated for good rust resistance. | Size:Used for T-slot aluminum profile 40x40 series. | Package Content: 20Pcs x 4040 Series M8 Roll Ball Elastic T-Nuts. | Application:4040 Series Aluminum Profile T-Nuts widely Use to build CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, machine guards, workstations, etc.