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The application rate of shrinkage screws is very high in the decoration process and the process of settling products. After the shrinkage screws are hit into the holes in the air or on the wall, the nuts on the shrinkage bolts are tightened with a wrench. The ...

Small screws are woven into our lives. Some people may deny this, but we use items with screws in them every day. From small screws on smart phones to fasteners on airplanes and ships, we enjoy the convenience of screws all the time. Then it is necessary for u...

The cleaning problem of high strength fasteners is often manifested after heat treatment and tempering, and the main problem is that the rinsing is not clean. As a result of unreasonable stacking of fasteners, lye remains on the surface, forming surface rust a...

Germination of fatigue crack of bolt: The first place where the fatigue crack begins is conveniently called the fatigue source, and the fatigue source is very sensitive to the bolt microstructure and can initiate fatigue cracks at a very small scale. Generally...

In fact, everyone should know some hardware fasteners. Today, we will introduce the reason why hardware fasteners have high quality high temperature strength. That is because the material of hardware fasteners is superalloy. Because the material of hardware fa...

I thought about this problem for a long time, tried various methods, and finally I found the method. Discover that there are three ways for you to choose from: First, the dislocation method, because the material is made of wood, and it is a wood screw. The thr...

I thought about this problem for a long time, tried various methods, and finally I found the method. Discover that there are three ways for you to choose from: First, the dislocation method, because the material is made of wood, and it is a wood screw. The thr...

Triangular self-tapping screw is also called triangular self-tapping locking screw or triangular self-locking screw. It means that the cross section of the threaded part of the self-tapping screw is triangular, and other parameters are the same as those of the...

Fasteners can effectively solve the problem that nuts are fixed on parts, and the commonly used nuts are rivet nuts. Actually, the rivet nut is a kind of nut-type fastener with the capability of riveting at the same time. As early as before the rivet nut was b...