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Self-tapping screws are often used for connections between thin metal plates
2021-11-15 00:00
Self-tapping screws are often used for connections between thin metal sheets (steel plates, sawing boards, etc.). When connecting, first make a threaded bottom hole for the connected piece, and then s...
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Two problems that may occur during the use of titanium alloy screws
2021-11-15 00:00
The importance of screws in our lives and work is self-evident. The screws is a very large category. Very many kinds can be separated according to different types of different types. Among them, titan...
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Main geometric parameters of self-tapping and self-drilling threads
2021-11-15 00:00
Main geometric parameters of self-tapping and self-drilling threads: (1) Large diameter/tooth outer diameter (d1), which is the diameter of the imaginary cylinder where the thread crests coincide. The...
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Common problems of high-strength screws
2021-11-15 00:00
With the development and progress, the industry has higher and higher requirements for high-strength screws, and the requirements for high-strength screws are also increasing. High-strength and high-s...
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External thread has three thread grades
2021-11-15 00:00
A thread is a shape having a uniform spiral protrusion on a section of the outer or inner surface of the solid. According to its structural characteristics and uses, it can be divided into three categ...
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What is the moisture-proof measures on the micro screws on the motor?
2021-11-15 00:00
What are the moisture-proof measures in the miniature screws? If the miniature iron screws is wet, it may rust. Therefore, in order to prevent the micro screws from rust, we use moisture-proof measure...
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The screws length is defined as three types
2021-11-15 00:00
According to the purpose, the thread can be divided into two types: joint thread and drive thread. In the cross-sectional view, the inner and outer threaded joints are drawn by external threads, and t...
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What should I do if the door lock screws?
2021-11-15 00:00
I believe that everyone will encounter the door lock in life, sometimes it is necessary to replace it, the door lock screws is slippery or the screws hole is moving. What should I do? 1. Screw holes c...
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The most commonly used method for measuring hardness
2021-11-15 00:00
1. Strength Strength refers to the resistance of metal materials to damage (excessive plastic deformation or fracture) under static load. Since the action mode of the load is tensile, compression, ben...
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Causes of quality problems in combination screws
2021-11-15 00:00
With the rapid development of the industry, the application of combined screws has also become very widespread. Then, when customizing the combined screws, occasionally order the quality combined scre...
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The mechanical properties of metal materials are the main basis for the design
2021-11-15 00:00
The properties of metal materials are generally divided into two categories: process performance and performance. The so-called process performance refers to the performance of metal materials under t...
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Acrylic screws screws phosphate treatment
2021-11-15 00:00
We all know that wallboard nails (drywall nails) need to be phosphated, unlike other self-tapping screws. In order to standardize the operation of the screws phosphating process, to avoid the unqualif...
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Lizhan Hardware Co., Ltd. regards quality
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customer first is our service philosophy, and
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No.2 Yuanrun Park, DaiFeng Road , Wanghai town, Haiyan, Jiaxing City, Zhejiang （China Factory）. / 18 M.1 T.BANBUENG A.BANBUENG CHONBURI 20170 (Thailand Warehouse)
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