Shenzhen Shi Shi Tong Metal Products Co., Ltd

  Shi Shi Tong tapping screw supplier to meet your needs Two days ago, Mr. Mo in Shenzhen wanted to find a made of titanium  tapping screw supplier . He went to several screw manufacturers and said that they did not produce self-tapping screws made of titanium. Many screw manufacturers produce stainless steel and carbon steel, but the manufacturers of self-tapping screws made of titanium are less. Once by chance, Mr. Mo saw on the website that Shi Shi Tong could produce titanium self-tapping screws, so he called Ms. Song to inquire whether she could produce titanium self-tapping screws. Ms. Song said that we only produce pure titanium, and asked Mr. Mo whether he had drawings of screws. After Mr. Mo added Ms. Song’s information, he sent the drawings to Ms. Song, and Ms. Song made a quotation based on Mr. Mo’s drawings. Mr. Mo asked about the delivery days, Ms. Song said that it generally takes 10 to 15 working days to complete the production and delivery, Mr. Mo agreed to this...

  270mm pozi pan head self tapping screws can be customized? Yesterday, Shi Shi Tong received an inquiry from an American customer, Mr. Smith. Their company’s new research and development of the machine needs 270mm  pozi pan head self  tapping screws,  many screw manufacturers have adopted the method of welding, it is easy to break. So he has not found a suitable screw manufacturer to produce. Later, he heard a friend say that Stone can make such a long screw, and it can be integrated. Mr. Smith contacted the customer service from The Internet and confirmed that we could produce 270mm  pozi   pan head self   tapping screws  ，He was very happy. After that, he sent us the drawings of the screws. We quoted and arranged production according to the drawings he sent us. Shenzhen Shi Shi Tong Metal Products Co., Ltd. can customize the length of screws according to customer requirements, you only need to tell us the length of screws yo...

  Why is there R Angle under the head of phillips truss head self tapping screws? When we look at the  phillips truss head self tapping screws  head below, sometimes we can see the obvious R Angle, so why there is R Angle under the head of the screw? The R Angle is set under the head of  phillips truss head self tapping screws  to protect the head of the screw from being broken when it is twisted. There is an R Angle under the head. The head diameter is generally large, and the rod diameter will be set when it is large. Or the groove is a little deep, in order to prevent the screw in time will break, will set the R Angle under the head, or change the screw head thickness, rod size, etc.   However, some customers feel that adding an R Angle under the head makes it inconvenient for them to use it with the flat washer. Because their flat washer is purchased in accordance with the standard size, and once the R Angle is added under the head of the screw, th...

  Can mushroom head stainless steel screws be hardened? Recently, a lot of customers asked whether stainless steel screws can be hardened. For instance, Mr. Yu from Guangzhou also asked if  mushroom head stainless steel screws  can be hardened. Generally speaking, if you want to harden stainless steel screws, then you need to use 410 stainless iron to produce so that you can harden, and commonly used 304 stainless steel is not hard. Mr. Yu asked Whether Shi Shi Tong had made 410 stainless iron screws before.‘Could you take a picture to show me?’ Because he wanted to know whether the color of the finished stainless steel product is much different from that of stainless steel. Then our customer service staff showed Mr. Yu the 410 screws we had made before. After seeing the pictures, Mr. Yu asked how much the  mushroom head stainless steel screws  made of 410 material could achieve by adding hard strength. In general, the strength can reach 6.8. After confirmi...

  Should not you know the differences between theft-resistant screws with ordinary screws? Screws are very common in daily life, but small screws belong to a large family. Today, we come to understand the difference between  theft-resistant screws  and ordinary screws in the screw family! First of all, let’s know about the  theft-resistant screws , also called anti-disassembly screws. It is to prevent being dismantled, the screws that need specific tools to be removed, such as the torx tamper screw, pentagonal tamper screw, square tamper screw, and other kinds of different groove type screws with a tamper. There are also anti-theft screws designed through the head like an S groove screw. And the screws that can be removed with a common screwdriver are ordinary screws. Anti-disassembly screws are widely used. Many businessmen will buy  theft-resistant screws   to decorate their shops, such as the door of the exhibition cabinet. It is also often seen in outdo...

  Why do tamper resistant screws are used in electrical appliances? Tamper  resistant  screws  are not easy to be unscrewed. Many customers use them to protect their products from artificial damage and reduce the rate of counterfeiting. It can also be used on dangerous objects to keep people from getting hurt, like electrical appliances. Yesterday, an electrical company wanted to place an order for  tamper resistant screws  at The Shi Shi Tong Screw Factory. After understanding, we know that the customer’s screws are used in the dangerous position of electrical operation. In order to avoid the contact of non-professionals and prevent unnecessary damage,  tamper resistant screws  should be customized. Ms. Song, the business manager of Shi Shi Tong, suggested the customer make pentagonal tamper screws and provide a matching batch head, so as to improve the safety factor of electrical appliances. This type of screw used in electrical appliances is ma...

  4 advantages of using custom non-standard screws. Do you know what they are? In the screw fastener industry, there are standard screw and non-standard screw two kinds of classification. There are many kinds of thread standards internationally, such as GB, ANSI, DIN, UNI, JIS and ISO. Standard parts account for more than half of fasteners. But with the development and improvement of machinery, standard parts gradually do not meet people’s needs. Thus,  custom non-standard screws  appeared. Non-standard screw is the part of thread specifications outside the national standard, it is different from the standard parts of general metric system and English system. The pitch and diameter of non-standard screws need to be designed and processed specially to produce screws that meet customer’s requirements and are different from standard parts. In addition, custom screws can also be customized logo. In addition to this feature,  custom non-standard screws  have three ot...

  What is a Self Tapping Screw – How to Use Self Tapping Screw ? What is a self tapping screw  and which screws are the self-tapping screw? Without further ado, look at the picture firstly, can you see the something in common on them? Self tapping screws  include self-tapping-A Screw(Self-Tapping Screw with Tip Point )and self-tapping-B screw (Self-Tapping Screw With Flat Point ). The screws in the picture above are Self Tapping Screw with Tip Point. The following are two screws, which are self-tapping screws with flat points, and the right also name THREAD CUTTING SCREWS. So How to Use Self Tapping Screw ? Where it will be used? General  self tapping screw  to use on the materials of low hardness, such as aluminum alloy, and the thickness of the material is not very thick, it is mainly used for some lamella piece connected with the fixed, such as Choi steel connection with Choi steel, color steel plate and purlin, wall beam connection and the thin metal plate (...

  The Difference Between Self Tapping Screws And Machine Screws Many people know about  self   tapping screws , but they only know about self-tapping screws, that is, screws with screw tail tip or drill-tail, but they do not know that there is another type of self-tapping flat end screw.The thread pitch of  self   tapping screws  are usually relatively large, so as to quickly “self-tapping” to the place to be attacked. self tapping tail tip screw self tapping flat end screw machine screw Compared with the above two screws, it can be quickly identified which one is self-tapping screw and which one is machine thread screw. The biggest difference between  self   tapping screw s  and machine screws are these: self – tapping is direct, while machine screw requires a nut.Many people have seen that ultra low head no slotted screw, and will continue to ask: how to remove the screw? Must not see inside, usually ...

  What are some ways to remove a really tight socket hex cap screw? During the use of the socket hex cap screw , many people have tightened the screw and found that it is wrong to pull out. What are some ways to remove a really tight screw? The method is not without, please look down. It is not as difficult to imagine that it is difficult to remove the tightened  socket hex cap screw . What are some ways to remove a really tight  socket hex cap screw ?There are a few small ways to remove the very tight screws. You can try it. The first method: You can apply kerosene with a brush at the screw, and then screw the screw out after a period of no oil penetration, so that it will be easy to screw a lot. The second method: the bolt can be pierced with a drill of a small size, so that the screw can be unscrewed with less force. The third method: the screw can be directly knocked off with an electric pulse. So the question is, how do the  socket hex c...

  Shenzhen screw manufacturer customer visits and signs contract The Shenzhen  screw manufacturer  Shi Shi Tong with Mr. Li signed a 100,000 screw contract a few months ago in Shi Shi Tong ’s meeting room. What made Mr. Li willing to place such orders for Shi Shi Tong? Is it trust in the factory? Let ’s share Mr. Li ’s case today. Mr. Li in Shanghai used to contact us through the Internet, but we have not reached a cooperation. Is it because our professionalism is not enough for customers to trust? The customer replied: “No, you are very professional, but I would like to confirm the details face to face.” The customer was in a hurry and made an airplane from Shanghai to Shenzhen in the morning. We discussed the details with us. After visiting the factory and signing the contract, we went back by plane without stopping. How do Shenzhen  screw manufacturer  convince customers? Of course, the factory showed it! Our factory has 45 single-mode machines, 15 sets of la...

  Shenzhen screw factory reveals what is solution treatment! In addition to the head, groove and diameter requirements, the manufacturer shall also make requirements for the surface treatment of screws. Our common surface treatment includes electroplating, passivation, black pot, nickel plating and solution treatment. Today,  screw factory  is talking about solution treatment. What is solution treatment? Solution treatment is a kind of surface treatment that the alloy is heated to a high temperature single-phase area and kept at a constant temperature, so that the surplus raw materials can be fully dissolved in the solid solution to make it cool quickly, and then get saturated solid solution. The advantage of this surface treatment is that it can improve the performance of stainless steel screws, such as the corrosion resistance can be improved, and it is also conducive to the re processing and molding of screws. Solution treatment is suitable for special alloys, non-ferr...