1. First remove the sludge from the surface of the broken screw head, then kill the center of the section with a central brass, then install a drill bit with a diameter of 6-8 mm with an electric drill to drill the hole in the center of the section. Note that the hole must be drilled through. After ... Read More
1. Screw material problem, many installers like to use some screws with high hardness and easy to drill. In fact, most of these screws are high in carbon content. Drilling is easy, but lack of toughness and windy. Or when the roof tile expands, it is easy to break when it is stressed. 2. Many small ... Read More
The types of screws are also many different. If you can't correctly identify the different screws, it is easy to understand the inconvenience of life, work and study. With the development of modern industrial society, people's lives are increasingly colorful. No matter which aspect of people's life,... Read More
There are many ways to prevent rust from screws, such as galvanizing rust, oil rust, gas phase rust and so on. The anti-rust oil is a very simple anti-rust method. There are two kinds of anti-rust oil, one of which is oily and the other is water-based. Personally feel that water is good, but from a ... Read More
There are many anti-loose methods for the connection of threaded fasteners. After a series of small-scale analysis, they can be divided into three categories. The first is non-detachable anti-loose This method is a very effective basic anti-loose approach by changing the detachable threaded connecti... Read More
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