Shenzhen Shi Shi Tong Metal Products Co., Ltd

  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...

  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,...

  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...

  How to solve the problems in the production of A2 stainless steel screws? For  A2  stainless steel screws  manufacturers, it is impossible for each production to be completed smoothly, and there will always be some problems. If the solution is not good, a customer will be lost. So, how do screw manufacturers solve the problems in screw production? If there is a problem in the production of  A2  stainless steel screws , you need to see what the problem is, whether the problem can be solved in the factory, or whether the size of the screw needs to be changed, and the customer is asked if the new size can be accepted. For example, if an  A2  stainless steel screws  has a headshot, it is necessary to find out the cause of the headshot, whether it is a material problem, a mold problem, a debugging machine problem, or a screw size problem. If it is a problem of material, mold, and machine adjustment, then the screw manufacturer can solve this sit...

  Do you know about stainless steel double head screws? stainless steel double head screws  are used to connect mechanical fixed link functions. Double-headed screws have threads at both ends and the middle screw, either thick or thin, also called double-headed bolts or studs.   The assembly method of  stainless steel double head screws  is to screw the short end of the thread into the base, pay attention to the screw until near the smooth rod, by adding two nuts in the longer end of the thread. Remove the double nuts and insert them into the cover. Then put the washer on the screw and tighten the nuts. Note that when the double nut is inserted to tighten the thread end of the machine base, the two threaded nuts can only be screwed into the middle of the thread length, using two wrenches. After the screw is tightened, take out the upper and lower nuts one by one with a wrench. stainless steel double head screws  used in the main body for large equipment, th...

  Special machine screw — an important component that cannot be missing in the machinery industry I’m sure you know what a screw is. What is a non-standard screw? This is actually a term, daily use of some of the screws, nails and so on are all have a unified standard, the standard has unified specification, so even if you do not buy a brand, it is about the size of the specifications of the also is same, this is the standard components, there is a special component is different from the standard,  special machine screw  said today is this meaning. Let’s take a look at the knowledge. Special standard and special process Because it is different from the national standard, so in the production and process, is not the same, the main adhesion of the screw is formed by the pitch of the screw, circles of spiral, tightly embedded in the object to drill.  special machine screw  pitch in the cutting time is to use a special tool to complete, before the production is the ...

  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...

  Will the power limit of steel screw manufacturers affect the price of the product? In Beijing, where power supply is tight, many parts of the country have issued notices of power rationing, and some manufacturing industries have to switch to off-peak power or stop production. Beijing and Shenzhen have also suspended light shows during the National Day holiday, and other places have reduced their nighttime landscape lighting hours. Because of the reason of power limit, many people will also worry that power limit will affect the production price of   steel screw manufacturer s ? If it is in the power limit area, then the price of  steel screw manufacturers  is basically affected, after all, the production time is less, and labor, rent and other costs are not reduced, in order to ensure the normal operation of the enterprise, the basic is to increase the price to ensure a certain profit.   Does it affect the price of the product if the factory is not in the rest...

  Points for lightning protection when purchasing countersunk stainless steel screws For fasteners, if you purchase without knowing it, it is easy to step into the pit. After all, the fastener industry is not that simple. For example, when we are purchasing  countersunk stainless steel screws  w hat points should be paid attention to? What is the specific grade of  countersunk stainless steel screws ? For those who are not familiar with screws, stainless steel is stainless steel, there is no difference. But for the familiar, there are many kinds of stainless steel, such as 201, 304, 316 and other grades. The composition, performance and price of different grades of stainless steel are different.   The price of 201 grade stainless steel screws is very cheap compared to other grades of stainless steel, and the quality is not very good, it is easy to rust, and the corrosion resistance is not very good. The 304 grade stainless steel is used more in the screws. After...

  Why is there R Angle under the head of phillips truss head self tapping screws? When we look at the  phillips truss head self tapping screws  head below, sometimes we can see the obvious R Angle, so why there is R Angle under the head of the screw? The R Angle is set under the head of  phillips truss head self tapping screws  to protect the head of the screw from being broken when it is twisted. There is an R Angle under the head. The head diameter is generally large, and the rod diameter will be set when it is large. Or the groove is a little deep, in order to prevent the screw in time will break, will set the R Angle under the head, or change the screw head thickness, rod size, etc.   However, some customers feel that adding an R Angle under the head makes it inconvenient for them to use it with the flat washer. Because their flat washer is purchased in accordance with the standard size, and once the R Angle is added under the head of the screw, th...