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Screw Manufacturers, Bolt Manufacturers, Nut Manufacturers - Oukailuo
(70 articles)

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How to prevent fasteners from getting rusty
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Then let me talk about why the screws will rust? What kind of screws are not easy to rust? How to improve the screw performance of fasteners? Read more

Roofing Screw
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Roofing Screw, as its name suggests, are used mostly on roofs. The different aspects of the Roofing Screw provide better weather resistance than other screws. Read more

Chipboard Screw

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Chipboard Screws are made to fasten best on chipboards or particleboards. Chipboards are made with a thinner shaft to make the coarse threads wider for a better grip. Read more

Fasteners
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Self Drilling Screw
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Self-Drilling Screw is a general name rather than a certain type of screw. A common mistake that the general public make is mixing up Self-Drilling Screw with Self-Tapping Screws. Read more

Trilobular Thread Forming Screw
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Trilobular Thread Forming Screw, or Tri-Lobe Screws, is under the Self-Tapping Screw Family. Read more

Hot Dip Galvanizing
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Stainless Steel Numbering Principle
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Hardness classes and advantages of hexagon bolts
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The so-called hexagon socket bolt refers to the hexagon socket head shaped cylinder head, which can also be called hexagon socket head screw. The commonly used hexagon socket bolts are of class 4.8, class 8.8, class 10.9 and class 12.9. We can choose different classes of hexagon bolts according to the different needs of customers, so as to play a more beneficial role in the performance of bolts. According to the Understanding of the Chinese standard parts network, tell you about the hardness of hexagon bolts have what. Read more

Processing procedures of fastener screws
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The manufacturing process of fastener screws includes: wire rod - annealing - pickling - cold heading -thread rolling - heat treatment - electroplating - packaging. Read more

The Usage of the Rivets
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Stainless Steel Surface Treatment
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Basic Knowledge of Standard Parts Usage
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Basic Knowledge of Electroplating
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Triangular tapping screw design standard
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Triangle self tapping screw is often used standard parts, for the construction personnel, it is necessary to understand the relevant knowledge of triangle self tapping screw design standards, including the technical parameters and characteristics of triangle self tapping screw. Read more

The difference of electric galvanization and hot dip galvanization (HDG)
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Steel rusts easily in air, water or soil, and even breaks down completely. Every year, the loss of steel caused by corrosion accounts for about 1/10 of the total steel output. On the other hand, in order to make the surface of steel products and parts have a certain special function and give them a decorative appearance on the surface, it is generally treated by electric galvanizing. Read more

Common Causes of Stainless Steel Parts Rust
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Common Heat Treatment Concepts
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Types and applications of tempering According to the different performance requirements of the workpiece, according to the different tempering temperature Read more

Choice of coarse and fine thread
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How fine a thread is called a fine thread? Let's define it this way. The so-called coarse thread can be defined as a standard thread; While the fine thread is relative to the coarse tooth, in the same nominal diameter, the number of teeth per inch is different, that is, the pitch is different, the coarse tooth pitch is large, and the fine tooth pitch is small. In other words, for both sizes 1/2 to 13 and 1/2 to 20, the former is coarse and the latter is fine. So it's 1/2 minus 13UNC and 1/2 minus 20UNF. Read more

About Cage Nut
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You may not be unfamiliar with nuts and bolts, because we often see them in our daily life, but you may not know about cage nuts. What kind of nuts are they?The cage nut is a kind of nut which can be freely stored in the interior of the housing body, which is welded to the car body. Cage nuts are also called square hole cage nuts and some people call them floating nuts. Read more
Total 70 Page 4 Records
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Most Popular
Introduction of bolts and nuts
What is screw
Rolled Thread vs. Cut Thread Bolts
2017 International Fastener Expo Lad Vegas
Latest News
2019-07-11 Introduction of bolts and nuts If you don't know much about bolts and nuts, you can check out this article. It introduces their basic knowledge in detail.
2019-07-03 What is screw Screws have an important task in the industry. As long as there is industry on the earth, the function of the screw is always important. Screws are the common inventions in people's production and life for thousands of years. According to the application field, it is the first invention of human beings.
2019-12-18 Rolled Thread vs. Cut Thread Bolts There are two ways of creating threads on mechanical fasteners: rolling or cutting.
2019-04-10 2017 International Fastener Expo Lad Vegas Date: 2017.10
Latest Exhibtions
2017 International Fastener Expo Lad Vegas
2017 Shanghai Fastener Expo
Screw Manufacturers, Bolt Manufacturers, Nut Manufacturers - Oukailuo
No.26 Zhijiang Road, Lanjiang Street, Yuyao City, Zhejiang Province, China 315400
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Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999, has been a leading manufacturer and supplier of fasteners. Our main export market is North America, Europe, Oceania, Korea and so on.
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