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18

2020-01

Screw factory explain what crimping screw

We usually pay little attention to rivet screws in daily life. Now it is explained by screw manufacturers. It is a new type of fastener mainly applied to sheet metal or sheet metal. The principle is to press the embossed teeth into the preset holes of sheet metal. The diameter of the general preset holes is slightly smaller than the riveting ...

17

2020-01

Analysis of rust on special stainless steel screws in screw factory

Many customers talk about why stainless steel special screws also rust, and stainless steel is not a panacea. For special reasons, the screw factory also rusts. The reasons are summarized as follows: The surface of stainless steel has dust or other metal particles containing other metal elements. cloth...

16

2020-01

Special screw factory explains the process of processing copper and aluminum screws

Because copper screws and aluminum screws have excellent electrical conductivity and heat dissipation, they are widely used in industries such as the power industry, home appliances, lighting, etc., but there are not many special screw factories specializing in copper and aluminum screws processing in China.Hardware screws The factory specializes in non-standard screws, special ...

15

2020-01

Special screw forming method

One punch die has the greatest importance to the quality stability and use value of the finished product during the manufacturing process of the special screw. From the linear diameter of the wire straight line, the ratio of the first die to the first die is stable. Word or plum blossom etc ...

14

2020-01

The mystery of the special screw strong beam mold?

The same product drawing, why are there so many differences in the beam patterns made by different mold factories? The beam ratio is bigger, it is different. The beam can be inserted, but the length is different, the sound is scary, and an accidental punch will burst. Such a mold must be eaten well ...

13

2020-01

What is the process of non-standard custom screws

1. First of all, before customizing non-standard screws, what kind of effect should non-standard screws be used on products to prevent disassembly? Just fastening? Or meet the appearance requirements of the product. 2.Design the appearance of non-standard screws and non-standard screws according to the needs of the product ...

11

2020-01

How to distinguish between stainless steel screws, galvanized and nickel plated screws?

From the appearance, the method of distinguishing stainless steel screws, galvanized and nickel-plated screws is to look at the color of the screws. The color of stainless steel screws is close to the original color of iron. Galvanized screws are white, colored, and black. You can also use magnets ...

10

2020-01

Are there any requirements for the material of the long screws?

When we buy something, there will be many requirements for the material of this thing, such as clothes, we want pure cotton material, we may also have requirements for the content of this cotton. The same is true for long screws, and the requirements for materials ...

09

2020-01

Let's take a look at the material content of hot-dip galvanized screws

The screw is a tool that uses the physical and mathematical principles of the circular rotation and friction of the bevel of the object to gradually tighten the objects and parts. Screws are a generic term for fasteners, spoken daily. 1 Low carbon steel C% 0.25% is usually called A3 steel in China. Basic foreign ...

08

2020-01

Non-standard custom screw process

Use scenarios or products of screws. Before customizing non-standard screws, think about the role of non-standard screws, performance method / step 1 First, before customizing non-standard screws, what kind of effect should non-standard screws be used on products, and is it tamper-proof? Just fastening? or...

07

2020-01

Why are hot-dip galvanized screws prone to "white hair", and how to prevent it?

First of all, the hot galvanized screw reacts faster than iron in the air. If it is in a humid environment, it will react quickly, which will cause zinc rust, which is what we call white fur. The industry calls it white rust. There are many reasons for white rust, electroplating ...

06

2020-01

Why do screws need to be passivated after hot-dip galvanizing?

First of all, let us understand the consequences of not passivating the screws after hot dip galvanizing. If the screws are galvanized and stored in a humid and unventilated environment, the zinc loss layer will corrode quickly. The visual appearance shows a white substance. We call this substance ...

04

2020-01

Hot-dip galvanized screw manufacturers talk about hot-dip galvanized standard parts parts classification

Classification of hot-dip galvanized standard parts. Standard parts refer to commonly used parts (such as screw parts, keys, pins, and rolling bearings) that have been fully standardized in all aspects such as structure, size, drawing, and marking. and many more. The broad sense includes standardized tight ...

03

2020-01

On the shape of hot-dip galvanized screw manufacturers

Introduction to the shape of hot-dip galvanized bolts, bolts: mechanical parts, cylindrical threaded fasteners with nuts. A type of fastener consisting of a head and a screw (a cylinder with external threads) needs to cooperate with a nut. Generally countersunk head is used after requesting connection ...

02

2020-01

Hot-dip galvanized screw anti-corrosion treatment process

Features of hot-dip galvanized screws: 1. Hot-dip galvanized screws are obtained by dipping and pickling the pickled screws into a zinc solution, and attaching a layer of zinc to the surface of the screws. 2. The function of hot-dip galvanizing is to prevent corrosion, and the function of screws is to tighten. Coating is an anti ...

30

2019-12

Introduction to the use of hot-dip galvanized screws and hot-dip galvanized nuts

Hot-dip galvanized screw refers to a fastener product that has a bright appearance and a certain anti-rust ability after degreasing, decontaminating and galvanizing the screw surface. It is a common surface treatment method for fastener screws. The screw is mounted in a special plating bath on the cathode, the anode is ...

28

2019-12

Hot Galvanized Screws | Expansion Screw Installation Method

1. After driving the expansion screw into the hole on the ground or wall, use a wrench to tighten the nut on the expansion bolt, and the bolt goes out, but the metal sleeve on the outside does not move, so the large head under the bolt raises the metal sleeve. Open so that it fills the whole hole, at this time, expand ...

27

2019-12

Features of hot-dip galvanized screws

Features of hot-dip galvanized screws. Screws are tools that use the physical and mathematical principles of the circular rotation and friction of the bevel of the object to gradually tighten the objects and parts. 1. Drilling and tapping, complete locking once, strong binding force. 2.Save construction time and improve work ...

26

2019-12

Non-standard custom screws | common fasteners

There are many types of fasteners. These are the needs of the market. Several kinds of fastener products that are often used are introduced. 1, washer washer is a kind of oblate fastener, generally installed on bolts, screws or on the support surface and connection of nuts ...

25

2019-12

How are hot-dip galvanized screws handled and what are their processes?

Hot-dip galvanized screws are treated with standard hex or hex screws. The second most important thing is the end. There are two kinds of treatments for hot-dip galvanized nuts. One is to expand the size of the nut first, and then use hot-dip galvanizing treatment.

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