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Nuts are also classified into grades, how to match with bolt grades更新日期：[2020-05-20]
As for the fastener bolt, we all know that it is classified, but the nut is also classified. Do you know whether it is clear? Today, the Chinese standard parts net summarizes the relevant level analysis of the sensible nut. Of course, the nut is screwed together with the bolt for fastening, so how can we...Screw and nut: no matter how serious the rust is, I'll show you how to loosen it更新日期：[2020-05-20]
Screw and nut are also common fasteners in our daily life, but rust is also a common problem phenomenon of screw and nut, and it is the most desired way for us to screw out the rusty screw and nut easily. According to the understanding of screw and nut knowledge, China standard parts network, here, sh...Prevention measures of stainless steel bolt and nut seizing更新日期：[2020-05-20]
From the previous analysis, it can be seen that it is very inconvenient to disassemble the stainless steel fastener after it is killed. Even some methods or special tools are time-consuming and laborious, so it is particularly important to prevent the stainless steel fastener from being killed. The followin...Why do stainless steel bolts and nuts bite?更新日期：[2020-05-20]
According to the use performance characteristics and functions of fasteners, the fasteners used in many fields will be made of stainless steel, and the most common disadvantage of stainless steel fasteners is that in the process of use, the bolt and nut can not be unscrewed after matching, which is called "s...Technical difference between hot galvanizing and cold galvanizing更新日期：[2020-05-20]
Technical differences between hot galvanizing and cold galvanizing: The corrosion resistance of hot galvanizing is much higher than that of cold galvanizing. Hot galvanizing will not rust in a few years, cold galvanizing will rust in half a year! The cold galvanizing process is used to protect th...What is the performance of nut更新日期：[2020-05-20]
There are many kinds of nuts. Now let's talk about the hydraulic nuts in detail. What are their performance advantages? The hydraulic nut is an advanced bolt fastening system, which has the same working principle as the hydraulic stretcher. It is mainly used for the fastener assembly in narrow spac...Production process of screw steel更新日期：[2020-05-20]
Rebar is the surface ribbed bar, also known as ribbed bar, usually with two longitudinal ribs and transverse ribs evenly distributed along the length direction. The shape of transverse rib is spiral, herringbone and crescent. Expressed in millimeters of nominal diameter. The nominal diameter of ribbed bar ...Common factors affecting the speed and quality of galvanizing更新日期：[2020-05-20]
In the actual production process, the common factors affecting the speed and quality of galvanizing are as follows: (1) The pretreatment is not complete. There is oxide film on the surface of the workpiece, which affects the normal deposition of zinc. (2) Poor conductivity. The current is con...Type of surface galvanizing of steel plate更新日期：[2020-05-20]
Cold galvanizing Cold galvanizing, also known as electro galvanizing, is the use of electrolytic equipment to remove oil, pickling, and then put the pipe into a zinc salt solution, and connect the negative electrode of the electrolytic equipment, place a zinc plate on the opposite side of the pipe, connect...Main purpose of stud更新日期：[2020-05-20]
1. The main body is large equipment, which needs to be installed with accessories, such as mirrors, mechanical seal seat, deceleration frame, etc. At this time, the stud is used, one end is screwed into the main body, and the other end is equipped with nuts after the accessories are installed. Since the a...
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