The toothed structure of the serrated pipe can enhance the overall rigidity and impact resistance of the pipe material, making it less likely to deform when subjected to external force compression or collision, protecting the internal cables from damage. The toothed protrusions on the outer wall can increase the friction with the installation surface and fasteners, preventing slippage and facilitating precise fixation. It is suitable for complex installation angles such as vertical and inclined positions, reducing friction between cables and signal interference, and prolonging the service life.

The inner and outer walls of the toothless tube are both smooth structures. When cables are inserted, the resistance is small, enabling quick cable threading operations, improving construction efficiency, and preventing the cable outer skin from being scratched. The smooth surface is not prone to dust and oil stains, making cleaning convenient. The toothless structure avoids squeezing and wearing of fine cables.