1. The thickness of the fastened parts is greater than the thickness of the head of the self tapping screw. After the tapping screw is tightened, there is still a part of the screw thread that does not enter the threaded hole. In this case, the self-tapping screw can definitely be tightened. 2. The ... read more
1. High temperature resistance of stainless steel fasteners Since the hardness of stainless steel itself is relatively strong, the fasteners after production have strong anti-oxidation ability, and can work normally at high temperatures, and will not be interfered by too much high temperature. If th... read more
Since self-tapping screws are required to have the performance of self-tapping low-carbon steel plates, they require high-hardness surfaces to achieve cutting and extrusion capabilities. At the same time, there must be sufficient heart strength and toughness to prevent distortion or twisting during ... read more
Self-tapping screw is a kind of screw with a drill bit. It is constructed by a special electric tool. Drilling, tapping, fixing and locking are completed in one time. Self-tapping screws are mainly used for the connection and fixation of some thinner plates, such as the connection of color steel pla... read more
1. Ordinary self-tapping screws The thread is "self-tapping thread", also known as "wide thread". The surface is mostly electroplated. 2. Self-cutting self-tapping screws The Chinese standard is called "self-tapping screw scraping end", the thread is self-tapping thread or machine thread, and the cr... read more
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