Countersunk head screw is also known as flat machine screw, flat head screw, its head is a 90 degree cone, the mounting hole surface on the connector is also processed with a 90 degree cone socket, so as to ensure that the screw head and connector surface parallel, for the surface can allow a little

In the process of using fasteners, many people think that a small fastener replacement will not make a big difference. As everyone knows, this idea is not correct. Fasteners, as important parts of machinery, must be installed strictly in accordance with the requirements of different types in the pro

Now the use of stainless steel for manufacturing fasteners has been very popular, but for stainless steel fasteners, there are four major performance points, which are described as follows:1. High temperature resistance of stainless steel fasteners. Because of the hardness of stainless steel itself

As for fastener products, the following standard conditions must be met during production to ensure the customer's utilization of fastener product quality. What are the standard conditions for fastener products? There are five main types.1, fastener product size standards: specify the basic size of

Bolt anti loosening is by eliminating (or limiting) the relative movement between the thread pair, or increasing the difficulty of relative movement, to prevent the connection loose, to ensure the safety and reliability of the connection. There are various measures to prevent looseness. The followin

Round nut with stop washer, also known as stop washer, common name eight pad, is a use of stop lug and round nut opening and shaft keyway to prevent the loosening of the round nut washer.Stop gasket definitionAs shown in the figure ① inner stopping ear ② outer stopping ear, the washer and the round