Shenzhen Shi Shi Tong Metal Products Co., Ltd

For those who purchase screws, the weight of the screws is also important to them because the weight of the screws is also related to their purchase cost. Mr. Xing’s  stainless steel countersunk self tapping screws  were designed to be fully threaded at the beginning. But because the length of this  stainless steel countersunk self tapping screws  is too long, there are 85mm, the cost of cavities will be very expensive, and later they are changed to half thread. And the drawn drawings were given to the Shi Shi Tong screw manufacturers. After reading the drawings of Mr. Xing, Shi Shi Tong screw manufacturer asked Mr. Xing whether there is any requirement for the diameter of the rod of the  stainless steel countersunk self tapping screws . Mr. Xing’s screw thread diameter is 5mm. If the rod diameter is designed to be 4.6mm-5.0mm, then it is necessary to open the mold. If the rod diameter is designed to be 4.0mm-4.3mm, then no mold opening is r...

When purchasing large quantities of products, many companies basically require manufacturers to give them samples to test to confirm whether the manufacturer can produce the products they want, and they can safely hand over the products to them. Mr. Long’s company needs to purchase a batch of  thread forming screws for aluminum , but they are not sure whether the manufacturers can produce their screws, so Mr. Long asked if the Shi Shi Tong screw manufacturers can provide samples for them to test. Shi Shi Tong screw manufacturers have always supported the provision of custom samples to customers, so Shi Shi Tong screw manufacturers can provide Mr. Long with samples of  thread forming screws for aluminum . As long as Mr. Long pays for the sample, it will be fine. Samples are generally available in 30pcs-50pcs. Mr. Long said that he couldn’t have so many samples. He asked us, can you only give samples of 2pcs  thread forming screws for aluminum ...

No matter who we are, we all have our favorite colors, some people like black, some people like red, some people like orange, and so on. For  stainless flat head screws , some people want to make him the color they like or make a color that matches their own products. So, can these colors be made? The surface treatment of  stainless flat head screws  is generally passivated, environmentally friendly zinc, high-temperature blackening, electrophoresis, zinc-nickel alloy and the like. There are not many colors, not the true color, or the black color. If you want to make stainless steel countersunk screws into other colors, such as purple, then you need vacuum treatment. S tainless flat head screws  can be vacuum processed to achieve different color requirements. However, in other colors, it is generally required to provide color cards for customers, because even if they are purple, there are differences in color, some deep and some shallow. Some peopl...

Safety has always been a concern for us, such as food safety, property safety, personal safety and so on. Many products are also designed to take into account whether the design is safe, and whether it will cause harm. The same is true for screws. When designing the  brass security screws , Mr. Li also asked the Shi Shi Tong screw manufacturer, is this design safe? Mr. Li’s  brass security screws , the shape of the head is designed according to the pan head, and the groove type is designed according to the torx pin in. This design is not safe for security screws. Mr. Li said that he designed this way because he rarely saw the screws with the pillars inside the plum, and felt that the groove type of the plum blossoms with the column should not be easily opened. In fact, the torx pin in screw, for the Shi Shi Tong screw manufacturers, this is used by many people in the market, which means that this screw is relatively easy to be opened. In Shenzhen, you...

For those who purchase screws, the weight of the screws is also important to them because the weight of the screws is also related to their purchase cost. Mr. Xing’s  stainless steel countersunk self tapping screws  were designed to be fully threaded at the beginning. But because the length of this  stainless steel countersunk self tapping screws  is too long, there are 85mm, the cost of cavities will be very expensive, and later they are changed to half thread. And the drawn drawings were given to the Shi Shi Tong screw manufacturers. After reading the drawings of Mr. Xing, Shi Shi Tong screw manufacturer asked Mr. Xing whether there is any requirement for the diameter of the rod of the  stainless steel countersunk self tapping screws . Mr. Xing’s screw thread diameter is 5mm. If the rod diameter is designed to be 4.6mm-5.0mm, then it is necessary to open the mold. If the rod diameter is designed to be 4.0mm-4.3mm, then no mold opening is r...

For those who purchase screws, the weight of the screws is also important to them because the weight of the screws is also related to their purchase cost. Mr. Xing’s  stainless steel countersunk self tapping screws  were designed to be fully threaded at the beginning. But because the length of this  stainless steel countersunk self tapping screws  is too long, there are 85mm, the cost of cavities will be very expensive, and later they are changed to half thread. And the drawn drawings were given to the Shi Shi Tong screw manufacturers. After reading the drawings of Mr. Xing, Shi Shi Tong screw manufacturer asked Mr. Xing whether there is any requirement for the diameter of the rod of the  stainless steel countersunk self tapping screws . Mr. Xing’s screw thread diameter is 5mm. If the rod diameter is designed to be 4.6mm-5.0mm, then it is necessary to open the mold. If the rod diameter is designed to be 4.0mm-4.3mm, then no mold opening is r...

Mr. Hu of Shenzhen needs  custom shoulder screw . The number of Mr. Hu is not very large, only 1000pcs, but Mr. Hu needs a very urgent delivery period. Need to be delivered within 9 days. Mr. Hu contacted several manufacturers who can  custom shoulder screw . Although these screw manufacturers can produce Mr. Hu’s screws, the delivery time cannot meet Mr. Hu’s requirements. When Mr. Hu was about to get off work, Mr. Hu found the Shi Shi Tong screw manufacturer and asked if we could customize the shoulder screws. For the past 21 years, Shi Shi Tong screw manufacturers have made custom screws, and the shoulder screws can also be customized. Then Shi Shi Tong screw manufacturer and Mr. Hu said that we can  custom shoulder screw  and ask Mr. Hu if there are any drawings. After carefully evaluating Mr. Hu’s drawings, we can produce them with Mr. Hu’s shoulder screws. The general delivery time is 10-15 working days. Mr. Hu ask...

What are the advantages of  combination screw  and general screws? Combination screws are used in combination with other components, such as elastic washers, flat washers, flower teeth, etc. Other screws are generally loaded before rolling, but the washers cannot be removed after rolling. The raw materials of the combination screw are usually iron and stainless steel, and the strength is matched with the corresponding gasket, which can make the production line easy and quick to operate and improve work efficiency, so it is widely used in electrical, mechanical, furniture, ship and other fields. Choose the right  combination screw , please pay attention to the following four requirements: First, it depends on the requirements of the raw materials of the screw, that is, the combination of the required information, such as stainless steel or iron. Second, it depends on the national standard number of the combination screw, there are several specifications such as ...

Some time ago, Mr. Huang of Guangzhou contacted Shi Shi Tong through the network search  torx screw suppliers . In the communication, Shi Shi Tong screw manufacturers learned that Mr. Huang needs to use the torx screw to produce a batch of new products. The requirements of the six lobe screw are very strict, the surface of the screw must not have any traces, and there should be no burrs. Therefore, although Mr. Huang saw that the strength of Shi Shi Tong screw manufacturers was quite strong on the Internet, he was still not at ease. He decided to visit the factory personally. On the second day, Mr. Huang came to the Shi Shi Tong  torx screw suppliers  with the engineer. Ms. Song from Shi Shi Tong warmly received them, communicated with them in detail about the problems of the torx screw, and took them to the workshop. Mr. Huang is very recognized for the strength of Shi Shi Tong equipment and production processes. Later, Mr. Huang mentioned their re...

Miss jiang found Shi Shi Tong screw manufacturer when searching machine screw manufacturer on the Internet. Could Shi Shi Tong screw manufacturer produce  pancake head machine screw , and gave us the drawing of the screw. Miss jiang’s  pancake head machine screw  is M5*16, but the diameter of the head is 16mm. The diameter of this head has exceeded the normal range of screw forming. The single-mode machine can no longer be produced, so we need to use other machines to produce this screw. However, our existing mold does not have this size, and we still need to order the mold to make the screw shape. After we quoted the price of  pancake head machine screw  to the customer, the customer asked us how we could refund the mold cost and how long is our delivery time? We usually refund the mould cost of 300,000 yuan within one year. For the delivery date, it will take about 12-17 working days because the mold needs 9-10 days to be ...

Now many customers need to  tamper proof security screws  and hope that it will not be unscrewed. Some are to ensure the safety of their products and reduce the chance of being counterfeited. Some are because the product is dangerous, the use of safety screws, people can not easily open, improve personal safety and other reasons. So how can we improve the safety of the screw? When designing the  tamper proof security screws , pay special attention to the groove type and head of the screw. Others can open the screw by removing the screw or the head of the screw to open the product. Many people screw the screw and often take it out by screwing the groove. So we have to Pay special attention to the groove type of the screw. The most common type of  tamper proof security screws  is the inner plum belt with a column and the inner hexagon with a column. These two slotted screwdrivers are basically available in Electronics City. Therefore, the role of theft ...

There is a saying in China that is good for a penny. If you want to get what kind of product, you have to give the corresponding money. But there are always people who want to spend less money and get the best quality products. So, is there really such  miniature shoulder screws   on the market? Some time ago, Mr. Liu from Zhejiang contacted the Shi Shi Tong screw manufacturer through the network search for  miniature shoulder screws .  In fact, before Mr. Liu contacted Shi Shi Tong, Mr. Liu had a step screw supplier, but since he was just entering the line, I don’t know much about the screw industry, and I didn’t investigate much. I saw that they reported that the price was very cheap and they cooperated with them. However, the cooperation of the shoulder screws provided to Mr. Liu’s products is not durable, so Mr. Liu always orders shoulder screws frequently. And they don’t have the profession that Mr. Liu imagined. As the saying goes, onc...

On October 20, 2018, the annual five-region  screw  association meeting was held at the Sapporo Prince Hotel in Japan. Representatives from various regional associations gave detailed reports on the status quo of the screw industry in this area. The general association Japan Screw Industry Association – International Commissioner Da Chuan Keliang reported on the fastener industry in Japan: The real growth rate of Japan’s gross domestic product (GDP) in the first quarter of 2017, from January to March 2017, increased by 0.3% from the previous quarter, reaching a five-quarter continuous growth. It is speculated that this is due to a 2.1% increase in exports over the previous quarter, external demand driving growth rates, and residential investment and equipment servitude increased over the previous year. The GDP for 2017 is expected to be 553.5 trillion yen, an increase of 1.5% over the previous year. It can be seen that the  screw  industry is in the asce...

Many customers will wonder when they ask for  stainless steel screw . Why are the same stainless steel screws, different screw factory quotes will be different? The reason is probably that the materials are different, although they are made of stainless steel, some factories will cut corners or use poor quality stainless steel screws to save costs. The selection of  stainless steel screw  materials is mainly considered from the following five aspects. The following Shi Shi Tong screw factory will tell you the answer. Requirements for mechanical properties, especially strength, of  stainless steel screw  materials; Requirements for the corrosion resistance of the material under working conditions; The requirements of the working temperature on the heat resistance (high-temperature strength and oxidation resistance) of the material; Requirements for material processing performance in terms of the production process; 5, other aspects, such as weigh...

Recently, our company has received several  s crews for plastic  inquiry. This kind of screws for plastic is not a special screw. The difference between other screws is that the thread is different. The screw thread used for plastic is self-tapping and flat. It is a PT screw. Plastic materials are widely used in various fields such as automobiles, sustainable mobility, electrical materials and electronics, medical and household appliances due to their unique weight, durability and other intrinsic properties. An optimal screw solution for plastic materials requires detailed attention throughout the assembly process. We work with our customers to find the best solution for the assembly of plastic materials by analyzing the type of plastic, the structure of the bosses, the mechanical requirements and the installation parameters. For quick  s crews for plastic  selection based on plastic type, you can check our official website, there are various ki...