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Rinsing Of DIN 603

Posted by abyihui on Mär 23, 2020 in News

I. DIN 603 manufacturers need to be very careful when rinsing DIN 603 because this process is very important. Residues will remain on the surface of DIN 603 during this process.  The rinsing step is to be carried out after the silicate cleaning agent is cleaned.
II. Stacking during tempering and heating of DIN 603 shall be completed, otherwise slight oxidation will occur in quenching oil.
Third, white residue of phosphide will appear on the surface of high-strength screws, which indicates that (point one) the inspection is not careful enough.
4. If the round head bolt manufacturer finds that the surface of parts is blackened and produces chemical reuse, it indicates that the heat treatment is not done well and the alkaline residue on the surface is not completely removed.
5, parts standard parts will rust during rinsing, and the water used for rinsing should be replaced frequently.
6, Round Head Bolt manufacturers, excessive corrosion phenomenon shows that quenching oil used too long, need to add new oil or replace.

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High Requirements For Round Head Bolt Raw Materials

Posted by abyihui on Mär 16, 2020 in News

Many people pay attention to price when choosing products, believing that price is more important, especially in the construction industry, which believes that price will affect the cost budget. In fact, products in the construction industry cannot only pay attention to price, and price is not a factor that determines the quality of products.  In particular, DIN 603 should not only pay attention to price when choosing products.  Because this kind of product is used for fixation, quality must be noticed when selecting this kind of product, of which YIHEI DIN 603 is a good choice.
There are many types of products on the market, so we must pay attention to them when choosing products, while DIN 603 should also pay attention to some practical problems when choosing products, and how to choose such products has become the key point.  First of all, we must pay attention to the manufacturers. The higher the popularity of the manufacturers, the better the quality of natural products.  The quality of DIN 603 is more guaranteed, and its market popularity is very high. It is recognized as a guaranteed product type in the industry.
More problems need to be noticed when selecting DIN 603. This is a metal product. Therefore, more attention should be paid to the metal material when selecting. If the metal material is not very good, the quality of natural nuts is not very high, which cannot ensure that the quality will also affect the firmness in subsequent use.  This will also seriously affect the quality.  Haiyan Yihui Hardware Technology Co., Ltd. has higher requirements for raw materials selection when producing Round Head Bolt. It is made of high-quality raw materials, so its quality and firmness are guaranteed.

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Round Head Bolt Knowledge Introduction

Posted by abyihui on Mär 9, 2020 in News

Round Head Bolt is a kind of mechanical part, which is mainly used for fastening and connection and is widely used. It can be seen in many machines, tools and instruments. It is a relatively wide range of mechanical foundation parts. Round head bolt has various specifications, and its use is also very different, with a high degree of standardization and generalization.

DIN 603 bolts are characterized in that all high-strength screws need to undergo quenching and tempering heat treatment.  The surface treatment of DIN 603 bolts is mainly to increase the anti-corrosion performance, and there are also some color considerations. Most carbon steel products generally require surface treatment.  Common surface treatments include blackening, zinc plating, copper plating, hot dip zinc, etc.  There are many kinds of zinc plating, including blue white zinc, blue zinc, black zinc, etc. At the same time, they are also characterized by environmental protection and non-environmental protection. Each DIN 603 bolt has a variety of coating thicknesses to meet different salt spray test effects.

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The Role Of DIN 603 Bolts

Posted by abyihui on Feb 10, 2020 in News

DIN 603 bolts are our common fastener products. They are used with bolts, studs or other threaded workpieces for attachment and fixing. In general, the strength of the bolts selected in the design is higher than that of the corresponding high-strength DIN 933 bolts to ensure that the bolts have a longer life than the DIN 933 bolts when used together. When fasteners are removed and replaced in this way, the cost of replacing DIN 933 bolts will be cheaper and more convenient.

Currently, many power generation equipment and vehicles such as airplanes, cars, trains and ships are developing rapidly. Therefore, our high-strength DIN 933 bolts and other locking parts need to adapt to the rapid development trend in order to achieve greater development. High-strength bolts are mainly used to connect some important mechanical equipment, especially for repeated disassembly and assembly. Various assembly methods require very high Square Bolt. The thread is also very important. The surface quality and manufacturing accuracy of the thread directly affect the safety factor of the equipment used.

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The Choice Of DIN 603 Bolts Is Critical

Posted by abyihui on Jan 13, 2020 in News

DIN 603 bolts look inconspicuous, but they play a large role, with high strength and strong shear resistance, ensuring reliable connection and fixing. At present, many people ignore it. The phenomenon of using bolts arbitrarily is quite serious, which causes frequent failures of construction machinery.

In actual maintenance operations, when some maintenance personnel found that these bolts were damaged or missing, some standard bolts could not be found for a while, and some were free to take other bolts instead, and some of them were replaced by their own processing. The later use of construction machinery leaves a hidden trouble. Some parts need to use “small-pitch” “fine-tightening self-tightening” bolts, copper bolts, and copper-plated bolts, but ordinary bolts are used instead, resulting in the bolts becoming loose and difficult to disassemble.

Some DIN 603 bolts will have defects such as stretching and deformation after use. Some technical requirements require that new bolts must be replaced after disassembly and assembly. Because maintenance personnel do not understand these conditions, it is easy to reuse unqualified bolts many times. Causes mechanical failure or accident. Therefore, when repairing construction machinery, when DIN 603 bolts are damaged or missing, replace the bolts that meet the requirements in a timely manner, and do not use the bolts arbitrarily.

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Development Requirements Of Din 603 Bolts

Posted by abyihui on Jan 6, 2020 in News

Many companies have appeared in the DIN 603 bolt industry, and these companies are constantly innovating and developing. As far as the whole industry is concerned, these companies are not very innovative, but because they follow the old rules, they have a flat record. Judging from the development of today’s market, there are always many specific requirements and changes in these growing markets. Many customers have strict requirements on DIN 603 bolts.

The production capacity of our low-grade products has been selling at a good price after many sales prices. However, because of its limited capacity, the rise is very slow. These phenomena have completely changed the ability to enhance independent innovation. The DIN 603 bolt industry has unreasonable and unscientific phenomena in many aspects such as development ideas, project investment, growth methods, resource utilization, environmental protection, production mechanism, quality assurance, economic operation, and enterprise management.

For enterprises, some problems are very serious, and exist and develop. During the 11th Five-Year Plan period, enterprises need to adhere to a scientific outlook on development, effectively change these unfavorable factors, improve the quality of the enterprise, and establish good corporate innovation. This is one of the important factors to strengthen the DIN 603 bolt industry.

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Din 603 Bolt Installation Specifications

Posted by abyihui on Dez 30, 2019 in News

When we assemble DIN 603 bolted joints, the nut side of the round table should face the side of the washer with chamfer. In general, when assembling large hexagon head DIN 603 bolted joints, the lower beam of the bolt head has a slope, and the side of the lower beam of the bolt head should face the bolt head.

When installing DIN 603 bolts, the construction personnel should strictly forbid the forcible penetration of the bolts (here, hammering)

Bolt manufacturer: Other specifications for DIN 603 bolt installation

If it cannot penetrate freely, use a reamer to trim the hole. After trimming, the diameter of the hole should be less than 1.2 times the diameter of the bolt. When filling holes, in order to prevent iron filings from falling into the overlapping seams of the board, all bolts around the hinges and the joints in front of the holes should be tightened first and checked for firmness so that the boards can overlap tightly before operation. One thing to note here is that it is strictly prohibited to use gas cutting to ream. Gas cutting and reaming are prone to occur at the site and require special supervision.

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Widespread Application Of DIN 603 Bolts

Posted by abyihui on Dez 2, 2019 in News

DIN 603 bolt is a kind of mechanical part which is used for fastening and connection and is widely used.  All kinds of DIN 603 bolts can be seen on all kinds of machinery, equipment, vehicles, ships, railways, bridges, construction, structures, things, instruments, appearance and supplies, etc.  It is characterized by a wide range of specifications, different functions and uses, and a very high degree of standardization, serialization and generalization.  Therefore, some people also refer to DIN 603 bolts of the existing national standard as DIN 603 bolts, or simply as standard parts. 
DIN 603 bolt, also known as specification piece in the market.  It is a kind of mechanical parts used for fastening and connection. DIN 603 bolts are widely used. They are characterized by various specifications, different functions and uses, and extremely high degree of standardization, serialization and generalization.  Therefore, some people also refer to the DIN 603 bolt of the existing national (professional) specification as the DIN 603 bolt, which is simply referred to as the specification piece.

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The Use Of Stainless Steel DIN 603 Bolts

Posted by abyihui on Nov 25, 2019 in News

When you need to buy stainless steel DIN 603 bolts, it is usually best to know them as much as possible. This is important because it makes it easier for you to understand the expectations you can get from it. There are many people who decide which DIN 603 bolts to use and how to use them based on heresy. However, this can result in significant loss of money and customer goodwill, especially if you plan to use DIN 603 bolts for long periods of time.

For stainless steel DIN 603 bolts, you may overlook many facts, but you should consider these facts when deciding to use them. Some of the most important ones include:

Stainless steel DIN 603 bolts will still corrode
One of the main selling points of stainless steel hex nuts, stainless steel hex set screws and other similar products is that they do not corrode. However, the truth is that this quality usually depends on other variables. To prevent corrosion, stainless steel typically reacts with oxygen to form an invisible layer that prevents the underlying material from coming into contact with water, oxygen or other corrosive materials. When DIN 603 bolts that do not form this layer are exposed to low oxygen levels, the metal can easily corrode when exposed to chemicals that can cause corrosion.

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DIN 603 Bolt Installation Specification Requirements

Posted by abyihui on Nov 18, 2019 in News

No matter what is the production process of DIN 603 bolts, the safety inspection of high-strength bolts, and finally the scientific storage and delivery to the on-site specification installation, I believe that all partners have a very detailed understanding of this! DIN 603 bolts As a kind of fastener, its production process is extremely strict, and the operation specifications in each link are relatively strict, but some small details are rarely made, which needs to be done and realized. The following small series will make some arrangements for some details.

Other specifications for DIN 603 bolt mounting

When we assemble a DIN 603 bolt coupling, the end face of the nut with a rounded end face should be opposite the chamfered end face of the washer. For larger hex head DIN 603 bolted pairs in the assembly, the bolt head under the chamfered side of the washer should face the bolt head. When installing high-strength bolts, the construction personnel should not force the bolts in (in this case, hammers, etc.). If it is not free to pass, the hole should be trimmed with a reamer. The maximum diameter of the hole after trimming should be less than 1.2 times the diameter of the bolt. When filling the hole, in order to prevent the iron filings from falling in the overlapping seam, tighten the bolts around the hole before the reaming, and check whether the bolt is firm, so that the laminated plate is fastened and fitted before use. One thing to note here is that it is strictly forbidden to use gas cutting and reaming. It is easier to use gas cutting and reaming on site, and special inspectors are needed.

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