About this item

• Size: 13.3mm x 21.7mm x 7.2mm(W x L x H), thread: M5 metric. They apply to 40 series aluminum extrusion profiles for 8mm T-slot.
• Material: High quality carbon steel, the surface is Nickel-plated. These post-assembly nuts have high hardness, a long service life and good rust resistance. Back spring ball can be fixed its position which make installation very simple and reliable.
• These Spring T nuts work well in 40x40mm aluminum extrusion profile t-slot 8mm. Before purchasing, please refer to the size picture to confirm whether the size meets your needs.
• Include 20pcs spring ball t-nuts, they have clean thread and they can be directly into the aluminum slot hole in any of the assembly point, make your job easier.
• 4040 Series aluminum profile roll in 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.