Shenzhen Shi Shi Tong Metal Products Co., Ltd

  Indispensable “Long Screws” of new energy vehicles At present, with the development of our country, new energy vehicles are also beginning to gradually increase. The battery is important in the process of assembly of new energy vehicles, and the  long screws  in the battery are also indispensable. Recently, Mr. Li from Jiangsu found Shi Shi Tong screw manufacturer, asked us whether we could produce M10*421  long screws , which have 8.8 strength requirement, surface treatment is electrophoresis, and screws must reach salt spray test. Their company is engaged in the batteries of new energy vehicles, so they need to customize this kind of screw to lock the battery pack. Mr. Li found some manufacturers before, but their production process is welding production, which is a great possibility of a broken rod, and the strength is not up to standard. Once a part of the new energy vehicle is out of order, especially the batteries that are key accessories, if there is a probl...

  There is a crack in the head of button head torx screw, why? Miss Luo saw a message under domestic Tiktok on Shi Shi Tong——There is a crack in the head of  button head torx screw , why? As a professional screw manufacturing factory, the reason for the crack on the head of button head torx screw is of course clear. The reasons can be roughly divided into four categories: First, the raw material itself has cracks; Second, exceed the head’s processing limit; Third, the raw materials’ quality is bad or too hard; Fourth, the punch’s shape does not fit. Miss Luo quickly replied to the possible reasons, and the corresponding method to write out; First, check the raw material. If the raw material itself has cracks, and the customer is not satisfied with it, then replace it; Second, if it is more than the raw material’s processing limit, then review and change the processing method as soon as possible; Third, if the raw material is bad or too hard, then you can change the material or...

  Why are there so few people custom full threaded stainless steel long screws? Shi Shi Tong is a powerful screw manufacturer with many years of experience in screw customization. There are often production orders for stainless steel long screws in the factory’s workshop, but there are few purchasing managers to customize  full threaded stainless steel long screws . Why is that? As a new operator, when I just came to the company, I participated in the training about the company’s history and product details by the department director Miss Qin, from which I learned a lot of basic knowledge related to screws. But without practice, there are still many things that can’t be handled well. For example, at that time, an Australian customer sent an inquiry for custom  full threaded stainless steel long screws  through our Shi Shi Tong official mailbox. Because I had not seen the production of this kind of screws in the workshop of the company and had not heard about it from ...

  Stainless steel csk head screws factory teach you how to distinguish nickel plated screws and galvanized screws In the fastener industry, there are many kinds of screw surface treatment. Taking Shi Shi Tong’s  stainless steel csk head screws factory  as an example, there are different surface treatment methods on the metal surfaces, such as vacuum electroplating, black coating, electrophoresis, galvanizing, and nickel plating, etc. There are many differences between different surface treatments, so how to distinguish between nickel-plated screws and galvanized screws of steel material? Shi Shi Tong  stainless steel csk head screws factory  in the following to share three kinds of discrimination: The first method is to distinguish directly according to the color of the screw’s appearance. The nickel-plated screw’s surface is very bright silver, and the galvanized screw’s appearance has black, white, yellow, colorful, and other different colors. The second way i...

  When customizing security torx screw, can’t guarantee the delivery time? At the beginning of January, a foreign customer, Mr. Scott, sent an inquiry to Shi Shi Tong through the mailbox, requesting the customization of 50000  security torx screw , hoping to get the quotation within 24 hours, and wrote a sentence in red bold font at the end, “If your company can guarantee the delivery time, please give me the quotation. If you can’t, then I don’t need to quote, please do not cheat me!” I forwarded the email to my business partner May, and she replied to Scott’s email immediately. She first indicated that our company would strictly fulfill the contract and ensure the production date as agreed, please rest assured. We also asked the customer in detail about the screw’s material, tolerance requirements, surface treatment and other information. Mr. Scott, who is very efficient and quick, got back to May right away. Because the  security torx  screw  is used out...

  Can a ultra low head cap screws hexagon socket save money like this? A few days ago, Miss Lin found the Shi Shi Tong screw manufacturer to customize a M5×75  ultra low head cap screws hexagon socke t , which was made of stainless steel and provided us with drawings. In Miss Lin’s drawings, the head of the  ultra low head cap screws hexagon socke t  appears to be a piece of the mold, and the thread is fully threaded. After seeing the drawings of Miss Lin, we gave Miss Lin the following suggestions: 1. The head of the ultra low head cap screws hexagon socket is changed to the C head, that is, the head is naturally formed by cold heading, instead of being added with a sleeve mold. If you follow the drawing of Miss Lin, then on the fourth of the accounting price, you need to add the cost of the sleeve mold, and the cost is increased. 2. The full thread is changed to a half thread. Because such long screws use full thread, it is not only difficult to screw when scr...

  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 (...