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...

  stainless steel special screws are produced by what machine? For ordinary screws, we all know is a single mold machine head molding, then  s tainless steel  special  screws  are produced by what machine? If the screw is cold heading production, generally through the single mold machine, closing machine, multi – station for the production of blank. Specific is what kind of machine to carry on production, one is the dimension that needs to see  s tainless steel  special  screws  and administrative will decide. If the diameter of the screw head is more than 2.5 times larger than the diameter of the thread, or if the screw has a step position, it is basically required to carry out multi-station. If the length of the screw is very long, basically more than 100mm, then it is produced through the closing machine. If the die closing machine, before starting, you need to cut first, because the length of the stainless steel non-standard screw is too ...

  Why can titanium screw break a head? Screws are generally used as accessories to fasten things, mobile phones, computers, mouse, etc. Above the figure of screws can be seen. But sometimes, when we use, we find that the screws are broken, such as  titanium screw , why do they break? There is not only one reason for  titanium screw  to break. There are many factors that can cause screws to break. If you can see a groove mark where the screw is broken, it is because the groove is too deep that the screw is broken. In such a case, the screw manufacturer should pay attention to the depth of the groove of the screw during production, and need to make the depth of the groove smaller in the next production. If you don’t see grooves in the area where the break is, then there’s probably too much torque during use. No matter what type of product, there is a fixed torque value, when the torque is exceeded, the product will be broken. The same is true of titanium screws. You ne...

  Is there any MOQ for long socket cap screws? When we are customizing fasteners, sometimes the screw manufacturer will say to us, your quantity is not up to our production requirements, we cannot produce for you. When we do not need a lot of quantity, we need to order so much quantity to produce, and we can not use so much. Is there any MOQ for  long  socket cap  screws ? In China, there are many screw manufacturers that can produce  long  socket cap  screws , and The World One screw manufacturer is one of them. For the world screw manufacturers, long screw is also a basic MOQ limit, generally 10,000 MOQ. However, if the long screw style required by the customer is similar to the style produced on our machine, EVEN if the MOQ of Shi Shi Tong is not reached, Shi Shi Tong can still produce for the customer. In addition, if it is a customer who has not cooperated before, the production of long screws can also be carried out accor...

  Can stainless steel flat socket cap screw be made into machine wire with pointed tail? Mr. Xu’s company developed a new product some time ago, so it needed to order a new screw. The engineer gave this  stainless steel flat socket cap screw  a threaded design with a machine-threaded tail. Mr. Xu had asked a screw manufacturer to produce this new screw for him, but the screw tails they produced did not meet his requirements. After several samples were taken back and forth, they were always unqualified. Later, Mr. Xu found the supplier again and found the Shi Shi Tong screw manufacturer, and he asked us if we can make the screw with the end of the machine wire? According to Mr. Xu’s drawings, Ms. Song told Mr. Xu that this  stainless steel flat socket cap screw  can be made, but the end of the screw needs to be opened with a pair of rolling thread plates, and the loss of the rolling thread plates will be relatively large. Because Mr. Xu requires th...

  What is stainless steel hexagon screws?   Stainless steel hexagon screws , in fact, there are a lot of calls, it is called hex bolts, also can be called hex screws or hex bolts, everyone used to call different. There are three kinds of ordinary bolts: A, B and C. The first two are refined screws, less used. Generally speaking, ordinary screws are C-class ordinary screws. Stainless steel hexagon screws  are used with nuts for fastening connected parts and components with two through-holes. It is a bolt that is often used. There are A class and B class external hexagonal use more, more important, and in the assembly precision requirements of high, as well as subjected to greater impact, vibration or cross rate load occasions used more. Class C is used for rough surface, assembly precision requirements are not high. The thread on the outer hexagon screw is generally the common thread of fine teeth, and the self-pin of the common thread of winding teeth is good. It is mainl...

  What is the minimum quantity requirement for stainless steel torx screws? For people who need customized screws, if the screw manufacturer’s MOQ is very high, they can’t afford it, because they don’t need so much quantity, and they can’t use up if they buy a lot. Therefore, it is very important to find a screw manufacturer suitable for their MOQ. In the custom screws,  stainless steel  torx  screws  are also in great demand, so what is its MOQ? For other screw manufacturers of MOQ, Shi Shi Tong screw manufacturers and many very understand, but for  stainless steel  torx  screws  MOQ, Shi Shi Tong screw manufacturers are regulated. For just cooperation with customers, the Shi Shi Tong one screw manufacturers can basically meet the needs of customers to produce screws. One is to let the customer for the quality of screw manufacturers, delivery time and other aspects have a certain understanding, two is the early cooperatio...

  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,...

  Could the stainless steel chicago screw be customized? Do machinery and equipment company in guangzhou buyer Mr Ning to find the Shi Shi Tong screw manufacturer, say they need to order a batch of  stainless steel  welding  screw , male screw M5 * 20, female screw M5 * 30, head of the screw on the need to have their company logo, salt spray test time to 48 hours, thread tail need 360 ° glue, ask whether we can customize? If you can customize it, you need to give him a price of 30,000 or 50,000.   According to the information provided by Mr. Ning, their  stainless steel  chicago  screw  Shi Shi Tong screw manufacturer can be customized. However, before making a quotation, Mr. Ning needs to provide these information before the Shi Shi Tong screw manufacturer can make a quotation: The drawing of screws or the outside diameter of the female screw, the depth of the inner hole of the female screw, the diameter of the female scr...

  Should long phillips screws focus on price or quality? Most of the time, when we are customizing screws and pay too much attention to the low price of the product itself, we can hardly require that the quality of the screw is very good, while the quality of the screw with low price and good quality is almost not available. So when we buy  long  phillips  screws , should we pay attention to the price or the quality? When buying  long  phillips  screws , each customer’s focus is different, some on quality, some on price. However, long screws are a little different from other fasteners, the cost of construction will be higher. When we buy something at a high cost, we should pay more attention to its quality. Because of the low cost of screws, we will not feel that they cost us a lot of money when we replace them. However, when the long screws with high cost have to be replaced frequently due to the quality problem, we will not be able to bear it, becaus...

  How to distinguish the material of long screw? Sometimes when we look at the  long screw , is not to see the material of the screw, especially the screw surface treatment, it is difficult to distinguish in the end is iron material or stainless steel, other material is better to distinguish, so how to distinguish its material? By weight, copper > stainless steel > iron > aluminum > pure titanium. The density of stainless steel material is about the same as that of iron material. The  long screw  under the same specification has no difference in weight. But if it’s very light, it’s basically titanium and aluminum. Stainless steel with iron material  long screw , can distinguish through the magnet, but sometimes stainless steel material screw specification is relatively small, may contain some weak magnetic, will cause the screw will also be magnet to suck. This time can be distinguished by the stainless steel potion. If the titanium and aluminum scre...