Suitably Packaged for Immediate Use: the package contains a generous 100 pieces of M8 thread T spring nuts, ably meeting your needs for any industrial or personal projects; The steel coil in the T-slot nut is compatible with various T-slot fittings, making it suitable for a variety of applications Precision Engineered for Installation: the m8 half round roll in spring t nuts are precisely engineered, allowing it to be inserted only from of the profile, ensuring reliable connection strength and reliability; It effortlessly slides into the T-slot of the aluminum profile with the rear spring ball effortlessly fixing its position, thus simplifying the installation process significantly Sturdy Material for Enhanced Durability: these m8 thread t spring nuts are made from quality carbon steel, ensuring high hardness and ; The metal-plated provides an additional layer of protection with outstanding anti-rust performance Well Sized for Convenience: with dimensions of length 0.9 inches/23 mm, height 0.34 inches/8.8 mm, width 0.58 inches/13.8 mm, and an M8 thread, these European standard 40 series t nuts are suitable for 40 Series Aluminum Extrusions with a wall thickness of 2.0mm; please refer to the pictures to confirm the size before purchase Multipurpose Utility Across Industries: from building industrial aluminum frame structures, 3D printers, CNC routers to CNC laser cutting machines, 3D engraving machines, machine guards, workstations and even robotic projects, these m8 thread t spring nuts have a wide range of applications Color:Silver Material:Carbon Steel Package Contents: 100 * M8 Thread T Spring Nut Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.