One feature of the one-way safety screw is that it has an unconventional groove type. If there is no matching screwdriver, it is difficult to tamper with the screw. One method is to fix the material with screws to prevent it from being tampered with or stolen. You will often see safety screws used in bathroom compartments, especially toilet partitions and other public places. Generally, the one-way safety screw is made of stainless steel of grade 18-8 or above, which is rust-proof and corrosion-resistant.
One reason for the name of a one-way safety screw is its driving method. The head of the one-way safety screw has a slotted drive that can be ejected immediately if the drive is turned in the wrong direction. This makes it easy to install the screws and only requires a standard slotted drill bit, but without the corresponding drill bit or specially designed removal tool, it is difficult to remove the screw.
Triangular screw means that the tail of the self-tapping screw is a triangular tooth. It is a kind of special thread belonging to the self-tapping screw. It can be seen from the bottom of the thread. Its tail is in the shape of a triangle, and there are three from the side. The thread of the prism. The triangular tooth can reduce the resistance more than the ordinary tooth screw in the process of locking in, because it is to tap the workpiece by three points, and a thermal effect is generated during the locking process, which can be prevented after cooling. The role of the screw position. Therefore, the triangular screw is also called the triangular self-tapping locking screw, and some people are called the triangular tooth self-locking screw.
