With the development of the automotive industry, the requirements for automotive fasteners have become higher and higher. The main kind of high-intensity automotive fasteners is bolts which all need to be treated with heat treatment to improve the comprehensive mechanical performance of the product and achieve the specified tensile strength. Heat treatment process technology is the key…
Fasteners are widely used in the aviation field. Aircraft wings are generally thin, but very tough. If we look at the plane up close, we can see that there are many rivets on the envelope of the plane. It is said that there are millions of rivets on a plane. So, why don’t the aircraft…
Screws are colorful. Screw fasteners with various colors, such as silver, black, yellow, purple, etc, have been seen everywhere. So how are these screws be made so colorful? Screw plating is a process to bring bright colors to screw fasteners and making them beautiful Screw plating adopted for colorful products When the screw has just been produced, it is very oily and dirty. At…
With the development of the aerospace industry, the demand for aerospace fasteners has increased rapidly. As aerospace fasteners are applied under an environment of high temperature, high pressure, and high intensity, their quality requirements are also particularly high. Here, we introduce some useful knowledge about aerospace fasteners. What are aerospace fasteners? The fastener is one kind of…
First of all, We Need to Understand What is a Self-Tapping Screw. In most cases, self-tapping screws are used for the connection between thin metal plates such as steel plates and saw blades. When connecting, first make a threaded bottom hole for the connected piece, and then screw the self-tapping screw into the threaded bottom…
Some common types of bolts are: About Anchor Bolts Anchor bolts are a general term for all post-anchoring components used to fix objects on concrete. The bolt head is usually placed in the concrete before it cures, or before the concrete is poured, leaving the threaded end exposed. The different anchoring mechanisms can be divided…
This article will introduce the different types of screw heads and the differences between them to help you learn more about screws. Pan Head Screws Pan head screws are divided into a slotted head type and a cross groove. If an electric screwdriver is used, the cross groove is generally selected. Pan head screws for plastic\wood\metal…
Cylindrical head socket screws, also referred to as socket head bolts, cup head screws, and socket head screws. Although they have different names, but have the same meaning. There are also 4.8, 8.8, 10.9, and 12.9 commonly used hexagon socket head screws. It is also called a hexagon socket screw and hexagon socket bolt. Its…
Bolts are cylindrical threaded fasteners. Usually, the bolt is composed of a thread area, a shaft area, and a head area. There is only a part of the threaded area, followed by the unthreaded area. A fully threaded bolt is a bolt without a shaft. Partially threaded bolts are ordinary bolts, and is not fully…
Surface treatment is a process method, which refers to the artificial formation of a surface layer on the surface of the substrate material with different mechanical, physical, and chemical properties from the substrate. The purpose of surface treatment is to meet the requirements of product wear resistance, corrosion resistance, decoration, and so on. In the…
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