uxcell 30Pcs M4 T Nuts Roll in Spring, T Nut with Spring Sheet Carbon Steel Nickel Plated for 3030/4040 Series Slot Aluminum Profile

Specification: Material: Carbon Steel; Finish: Nickel plated; Color: Silver Tone; M4 Size: 20x12.5x6.8 mm / 0.79x0.49x0.27 inch (LxWxT); Package Content: 30Pcs x M4 Roll in Spring T Nuts | [Material] - T-nuts made from high-quality carbon steel, these nuts have high hardness and a long service life surface is Nickel-plated for good rust resistance and better performance. | [Wide application] - Roll in Spring T Nuts Versatile in various applications, including CNC routers, 3D printers, CNC laser cutters, CNC plasma cutters, robotics projects, 3D carvers, protective machine enclosures, and dedicated workstations, among many others. | [Easy installation] - User-friendly design with Spring Sheet Inserting a nut roll into the designated slot and turning with a screw firmly secures the nut. | [NOTE] - These nuts are small in size. As such, they should be stored in an inaccessible location for children's safety.