1. First, remove the sludge on the surface of broken screws and broken ends and bludgeon the center of the section to death. Then, install a 6-8mm diameter drill bit with an electric drill to drill the center bludgeon hole. After the hole is drilled, remove the small bit and replace it with a 16 mm

Fastener screws need to be inspected before or after production before they can be formally put into use. Therefore, in order to get better use effect of fastener screws, we must be careful and careful when carrying out these inspections. According to the summary experience, China Standard Parts Net

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

Adaptability in high temperature environment: According to the GB/T3098.6-2014 standard, stainless steel 304 and 316 products do not affect the tensile strength within 100 °C, but after the temperature exceeds 100 °C, the tensile strength decreases by 5% for every 100 °C increase in temperature. Not

Threaded connection is a widely used detachable fixed connection, has the advantages of simple structure, reliable connection, convenient assembly and disassembly, widely used in mechanical equipment. One, double bolt assembly