Shenzhen Shi Shi Tong Metal Products Co., Ltd

  What should I pay attention to for half-thread self-tapping stainless steel screws? For screws, the thread type of the screw is divided into machine thread and self-tapping thread. There are full thread and half thread in the self-tapping thread. So what should be paid attention to when ordering half-thread  self-tapping stainless steel screws ? If the customer says that he wants to order half-thread  self-tapping stainless steel screws , then he needs to know the length of the thread and the diameter of the rod (the part without threads under the head). Especially the diameter of the rod must be known because the size of this place will affect whether the screw needs to be opened. When the diameter of the shaft of the half-thread self-tapping stainless steel screw is too small, the screw manufacturer must also consider whether the size of the head can meet the customer’s requirements and whether it can be expanded using this size of the wire. If the material does not e...

  How to choose stainless steel screw manufacturers? When we cannot find the stainless steel screws we need in the market, then we need to find a screw factory to produce the screws we need. So, how do custom  stainless steel screw manufacturers  choose? Size. When looking for a custom  stainless steel screw manufacturers , we need to know exactly what size we need. Because each screw manufacturer can produce different sizes, for example, some screw manufacturers specialize in the production of screws below M1, some screw manufacturers specialize in the production of M1-M16 screws, and some screw manufacturers specialize in the production of screws above M16. Screw. There is also length. If the length we need is very long, such as about 500mm, then many manufacturers can be eliminated. Remove the screws that are not in this range according to the size we need. Region. In China, there are many areas where screws can be produced, such as Foshan, Shenzhen, Wenzhou, Yong...

  Why is the thread diameter of #6-32 stainless steel Phillips screws different? Among our commonly used screw thread diameters, there are M3, M4, M5, etc., these with “M” in front of them refer to metric threads. In addition to metric threads, there are imperial threads in fasteners, such as #6-32, this means that the thread diameter is #6, and “32” means that there are so many threads in one inch. But if you have measured a lot of #6-32  stainless steel  Phillips  screws , you will find that their thread diameters are somewhat different. Why is this? If it is a standard #6-32  stainless steel  Phillips  screws , their thread diameter range is 3.33mm-3.48mm, this is UNC coarse thread, and the thread angle is the thread size of 60°. At the same time, this thread size also means that the screw is produced according to the 2A tolerance code. In addition to the tolerance code of 2A, #6-32 also has a tolerance code of 3A, and their thread diameter is 3.35m...

  What is the lead time for long machine screw? Now screw fasteners can be purchased spot through the network, but some screw fasteners are not in stock on the network, they need to find the manufacturer to customize, such as  long machine screw , then how long is the delivery cycle? Suppose that the size of this  long machine screw  is M6*780, the cup head has a hexagon socket and carbon steel material, the required quantity is 10000pcs, and the surface treatment is electrophoresis. If production is carried out according to the above assumption, it needs to be divided into two situations, one is mold opening, and the other is no mold opening. The mold opening time is generally 9-12 working days. The time to debug the machine is about 1 working day. It takes about 4 working days to head and rub the thread. The surface treatment takes about 3-5 days. And it doesn’t even count the time of listing. If there happens to be a machine in the screw factory producing similar ...

  Stainless steel phillips flat head screw why can go wrong? Sometimes, the customer said that he needed to customize the  stainless steel  phillips  flat head screw . After quoting the price to the customer, the customer thought that he could accept the price, so he paid the money. When the drawing was issued for confirmation, the customer said that the shape was not what he wanted. Why is the drawing given by the screw manufacturer to the customer wrong? If the customer does not clearly give the shape of the  stainless steel  phillips  flat head screw , the head of the screw has two shapes, one is the shape of countersunk head, countersunk head can also be called flat head. One is shaped like a pancake, also known as a crepe. Therefore, when the customer says the head shape he needs is a crew cut, the customer service or business needs to confirm with the customer what shape he says the crew cut is, otherwise the communication between two people will...

  Can stainless steel insulated screws be made? Because of the particularity of the product, one of the locations required to be non-conductive and insulated, and part of the stainless steel screw was in contact with this location, so the contacted place also required non-conductive. Therefore, Mr. Su asked whether Shi Shi Tong screw manufacturers can make  stainless steel insulated screws ? According to Mr. Su’s request, Shi Shi Tong screw manufacturers can do it, and Shi Shi Tong screw manufacturers have made similar insulating screws before, and the material is also stainless steel. If you want to make  stainless steel insulated screws , you can put wax pipes or PVC electric wires on the outside of the pole. Different wax pipes can withstand different voltages. So Miss Song asked Mr. Su what voltage they need to withstand. How many. After Mr. Su told Ms. Song about the range to be endured, she asked Ms. Song to quote him the price of the wax tube and PVC...

  316 stainless steel screws or 304 stainless steel screws good? 316 stainless steel screws  are better than 304 stainless steel screws, the two stainless steel screws are composed of 316 stainless steel screws than 304 stainless steel screws more Mo elements, its corrosion resistance, high temperature performance is better than 304 stainless steel, the other performance is the same. 316 stainless steel screws  are mainly used in food industry and surgical equipment. Molybdenum is added to the screws to obtain a special corrosion resistant structure. It is also used as “Marine steel” because of its better chloride resistance than 304 stainless steel screws. ‍ 304 stainless steel screw is stainless steel cover type, material composition for OCr18Ni9316L, is austenitic stainless steel; Material 316 is OOCr12Mo2Ti, a titanium low carbon stainless steel, alkali resistant and acid resistant (except for medium containing chloride ion). From the corrosion resistance, 316 stainle...

  The thread of the stainless steel phillips screws is very short. Can this be done? Mr. Huang is an old customer of the Shi Shi Tong screw manufacturer. Recently he sent a drawing to Miss Song, asking whether we can make the  stainless steel phillips screws  on the drawing. The  stainless steel phillips screws  on Mr. Huang’s drawing are M3*8, but the size of the thread part is very short, and there are only 2 effective threads. Valid threads do not count the first thread and the last thread because their threads are incomplete and do not count as a valid thread. If the effective thread is too short, it will not tighten. Mr. Huang said that their design is just like this, and considering the problem of locking, they also took measures to design this screw, which is really ok. Their requirement is that the head of the  stainless steel phillips screws  should have A CD pattern, and the tolerance should not exceed. According to Mr. Huang’s requirements, ...

  Is it important to passivate stainless steel phillips screws? stainless steel  phillips  screws  in the production process, such as the head of the process, or the car processing process, the surface of the screw may be stained with the processing of iron filings or some relatively written particles, if these are not removed, it will affect the appearance of the screw surface or will cause the screw rust. Usually, this is done by passivating the surface to remove the debris from the surface. If  stainless steel  phillips  screws  are passivated, not only can the surface of the screw become smoother, the surface will be brighter, but also can enhance the anti-rust and anti-corrosion ability of the screw. Because of different passivation treatments, the testing time of salt spray is different, some can be over 24 hours, some can be over 1000 hours, this is to require the customer to express how long he needs to take the salt spray test, otherwise,...

  How important is it to choose a reliable manufacturer of long machine screws? A few days ago, the Shi Shi Tong screw manufacturer received a customer. The customer came to the Shi Shi Tong factory with his  long  machine  screws  sample and asked us if we could make it, how much would it cost and how long the delivery time would be? Mr. Li said that when he received the customer’s order at the beginning, he asked the supplier in Hebei to make the  long  machine  screws  sample, and the sample test was qualified. Then Mr. Li asked the supplier in Hebei to quote him the bulk price, and the supplier in Hebei gave him a quotation of 1.3 yuan/PCS, and Then Mr. Li gave the price to the customer. After the customer formally placed an order with Mr. Li, Mr. Li paid the deposit to the supplier in Hebei to help him produce the screws. Who knows the supplier in Hebei did not contact Mr. Li after receiving the payment for goods? Mr. Li felt t...

  Can the 410 stainless steel screws be customized? Mr. Yu’s new product needs to use a batch of stainless steel screws to tighten the product, but they require that the screws are magnetic, and the market has the size of screws they need, but they are not magnetic stainless steel screws. Later, Mr. Yu found the screw manufacturer of Shi Shi Tong and said that he wanted to customize a batch of  410 stainless steel screws  with magnetic property. He asked whether we could customize this kind of screws. The  410 stainless steel screws  mentioned by Mr. Yu can be customized. So Miss Song asked Mr. Yu what size he needed and what quantity he needed. After Mr. Yu sent us the information we needed, Miss Song told Mr. Yu that the screw could be produced and there happened to be wires. She asked Mr. Yu if he needed to produce it. Mr. Yu said that he would first customize the sample of  410 stainless steel screws , which can pass the stopper gauge and have thre...

  2.5 mm socket head cap screw procurement should also be careful not all screws are easy to use Now a lot of things will use screws, in the layman’s view, this kind of thing is very simple, and all the same, just buy it. So many enterprises in the choice of which price is cheap to choose which screw, this method is not impossible, but if only consider the price, often cause a lot of other problems. In a word, the purchase of  2.5 mm socket head cap screw  also needs to be cautious. Consider quality This is a problem that must be taken into account, because the  2.5 mm socket head cap screw  does not have any problem on the surface, but if you do not pay attention to the quality, there may be many problems in the future. Because some screw structure stability is insufficient, or compressive ability is insufficient, it is easy to deformation, in this case, there will be a lot of screws can not be used, the enterprise will virtually suffer big losses. Because it i...

  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...

  Does the current curtailment affect stainless screw suppliers? Recently, many provinces have experienced power outages, such as Guangdong, Jiangsu, Zhejiang, and Northeast China. Electricity curtailment has a great impact on the manufacturing industry. The production capacity of factories cannot be guaranteed. The original delivery date may be delayed. Will it also affect  stainless screw suppliers ? Electricity curtailment also has an impact on  stainless screw suppliers . Especially in the power-cut area, the scheduled production of the product is very affected. Even if it is always in production during the time without power-cutting, many orders cannot be delivered according to the original schedule. And areas that are not limited by electricity will also be affected, because raw materials, surface treatments, etc. are not necessarily produced in areas that are not limited by electricity. In the production link, as long as one is affected, it will affect the entire l...