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Autor: abyihui

DIN 603 Bolt To Avoid Misalignment Method

In the use of DIN 603 bolts and nuts, a common problem is the occurrence of misalignment. So in the production process, how do we avoid misalignment? Let’s take a look at it. In the symmetrical DIN 603 bolt and nut product, a symmetrical positioning hole can be installed to prevent misalignment during bending. When bent, the matte side of the DIN 603 bolt and nut product should be directed a...

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The Actual Application Of Carriage Bolt Manufacturer

The body bolts are indispensable everywhere in life, the street lights erected on the road, the beautiful billboards at night, the flagpoles standing on the majesty, and the fixing of the body bolts at the bus stop signs. The role of the body bolts must not be despised. How is the body bolt so fierce? Let’s talk about the machining process of the body bolts. The body bolts are machined to th...

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Hot-dip Galvanizing Process For DIN 603 Bolts

Due to the small size of DIN 603 bolts, irregular shapes and some threading, there are some obvious defects in hot dip galvanizing. It is difficult to screw the screw after plating. After the hot dip galvanizing, the residual zinc remains in the thread and is not easily removed, and the thickness of the zinc layer is uneven, which affects the fitting of the screw. It is stipulated in GB/T13912-199...

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Carriage Bolt Manufacturer Product Production Notice

The body bolts have the following three different ways to stop the heat treatment: three steels, quenched and tempered steel, spring steel, and carburized steel. The temperatures at which these steels are quenched during heat treatment are different. Then we also know that the selection of low carbon, that is, the alloy steel after quenching to stop the tempering below the low temperature of 250 d...

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DIN 603 Bolts More Accurate Installation Method

The DIN 603 bolt is one of the fasteners. It is responsible for the tightening of various constructions and equipment. The DIN 603 bolts are generally attributed to the pre-embedded bolts, which are buried in the lower part of the concrete and serve as the foundation. DIN 603 bolts come in a variety of shapes, some in the shape of an L, and some in the shape of an Arabic numeral nine. Different sh...

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The Quality Problem Of The Carriage Bolt Manufacturer

At present, China is already the world’s largest bolt producer, but it has been facing claims for quality problems. The case of quality problems caused by the quality of steel products is a big part of China. Bolted steel still needs to be expanded under the premise of meeting strict quality standards. At present, China is already the world’s largest bolt producer, but it has been faci...

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Haiyan Yihui Has Rich Experience In Manufacturing DIN 603 Bolts

tempering test Bolts, screws and studs of class 8.8~12.9 shall be tempered according to the minimum tempering temperature in actual production and kept at 10 °C for 30 min. On the same sample, the difference between the average values ​​of the three points before and after the test shall not exceed 20 HV. The tempering test can check the incorrect operation due to insufficient quenching hardness a...

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