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 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 the stainless steel torx screw be produced completely by turning? For some customers, they do not like the cold heading production of the screw, think the stainless steel torx screw shape is not delicate enough, not beautiful enough. They prefer to use the machining method to produce the screws, so can the  stainless steel  torx  screw  be produced completely in the machining method? If the  stainless steel  torx  screw  is produced by the way of machining, then it is necessary to consider whether the shape of the torx can be formed by the way of machining. In general, the torx shape is not produced by the way of machining, but by cold heading to form this shape. If the customer must be machined to produce the appearance of the  stainless steel  torx  screw , then the groove type of the screw needs to be produced by cold heading, and then the semi-finished product needs to be machined so that the shape of t...

  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 ...

  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...

  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...

  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, ...

  Why do stainless steel button head screws overring the gauge? In the production of  stainless steel  button head  screws , especially when the machine screw, sometimes will see the production master will take ring gauge to check the thread, this is why? stainless steel  button head  screws  to ring gauge, mainly in order to check whether the thread is standard, the thread is beyond the scope of the standard tolerance, so the customer can’t use, in order to prevent this from happening, screw factory has an internal inspection in the factory, so can solve loss in their internal, if the customer only to find that this kind of thing, losses are likely to be greater. Therefore, in the production of  stainless steel  button head  screws  machine thread, the screw master is needed to use ring gauge to check the thread, and make sure that the use of ring gauge is not lost, and is the screw needed ring gauge. If the inspection with ring ga...

  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,...

  What information does the quotation of stainless steel anti slip screw require? Now the network purchase is very convenient and fast, find the products we need, compare the price, quality, evaluation and so on can directly buy. But when the products we need are fixed products, not in stock, such as  stainless steel anti slip screw , what information do we need to provide to get the price? 1. Size. Dimensions shall include thread diameter, screw length, pitch, head diameter, head thickness, plum groove size, etc. If the  stainless steel anti slip screw is half thread, then also need to provide thread length, rod diameter.   2.Mark of stainless steel. Stainless steel screws can be used to produce 201, 302, 303, 304, 314, 316, 410, etc. Different brands of their performance is not the same, and some screw manufacturers can produce brand is not the same.   3, non-slip type. A common way to make a non-slip screw is to make a thread under the head, but some cus...