How to store stainless steel Fastenings without deteriorationWelcome to buy the cheapest and best quality Fastenings products by Manufacturers china.
What are the simple classifications of Fastenings productsStainless steel Fastenings is a kind of mechanical parts used for fastening connections and is widely used. Fastenings are characterized by diverse varieties, different functions and uses, and a high degree of standardization, serialization and generalization. Therefore, some people call a kind of Fastenings in the existing national (professional) specifications as standard Fastenings, or standard Fastenings for short.
What types of parts does Fastenings containWelcome to buy the cheapest and best quality Fastenings products by Manufacturers china.
Introduction to the meaning of performance grades of large hex boltThe performance grades of bolts for steel structure connection are divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, among which bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and are heat-treated (Quenching, tempering), commonly known as high-strength bolts, and the rest are commonly known as ordinary bolts. The large hex bolt performance grade label consists of two numbers, which respectively indicate the nominal tensile strength value and the yield ratio of the bolt material.
The production process of rail screwsNowadays, there are some small products that are ignored by us, ranging from glasses to airplanes. Behind these machines and the great dreams of mankind, they cannot do without the small things-screws. A good screw cannot be separated from a good processing method, such as a screw as small as 1.0 used on precision instruments, as large as a large, super long and extra-long screw used on wind equipment or even airplanes. So, what are the production processes of rail screws?
Basic knowledge of railway spikes and installation methodsRailway spike is the abbreviation of metal spike for railway tracks. This kind of spike is an indispensable accessory on the railway. Although it is small but has an important role, it is still very confused for those who do not touch railway spikes.
The role of stud bolt!Stud bolts are also called double-head screws or studs. The fixed link function used to connect the machine. The stud bolts have threads on both ends, and the middle screw is thick or thin. Generally used in mining machinery, bridges, automobiles, motorcycles, boiler steel structures, crane towers, large-span steel structures and large buildings, etc.