Shenzhen Shi Shi Tong Metal Products Co., Ltd

  Could a full thread long screw be made? Mr. Yu’s company in Changzhou is a motor product. There are many screw accessories needed on the motor. However, Mr. Yu and his company have encountered some problems recently, that is, a new  full thread long screw  is required on the new product. However, the original suppliers could not achieve the length they needed. On the recommendation of a friend, Mr. Yu found a Shi Shi Tong screw manufacturer. When Mr. Yu talked with Ms. Song of Shi Shi Tong’s on the phone, he said that the long screws they need can only be full-threaded, and half-threaded are not acceptable. The screw specification is M6*255, and the head shape is according to our existing The mold is produced, and Ms. Song is asked if she can do it. This  full thread long screw  of Mr. Yu can be made by Shi Shi Tong screw manufacturers, but because Mr. Yu requires full thread, the screw needs to be rolled out to achieve the effect of the full thread,...

  Can stainless steel machine screws with small tolerance be made? No matter what product, there will be a certain tolerance range in the production, but different products for the tolerance requirements are not the same. For fasteners, the tolerance is not fixed, because the tolerance required by each customer is different, some customers may be very strict tolerance requirements, such as ±0.05mm, some customers are very loose requirements. So, can we make  stainless steel  machine  screws  with small tolerance? Mr. Gao from Shanghai needs to order a new  stainless steel  machine  screws . The size tolerance of basically every part is required to reach ±0.05mm, and even the tolerance of some places is +0.05/-0.02. The surface of the screw is not allowed to have burr, the tail is required to have chamfer, and the size of the thread is M5*32mm. According to Mr. Gao’s requirement, the cold heading production method cannot be satisfied, and the car p...

  Could stainless steel self tapping countersunk screws be stiffened? Mr. Pan from Shanghai said that he needs to order  stainless steel self tapping countersunk screws , the strength of which is expected to reach grade 6.8. He asked if we could achieve his required strength through hardening. Generally speaking, stainless steel screws can not be hardened, unless the material can be hardened into iron. But Mr. Pan said he didn’t want iron. He preferred stainless steel. Then Ms. Song suggested that Mr. Pan could change the material of s stainless steel self tapping countersunk screws  to stainless steel 410, which can be hardened to achieve the strength required by Mr. Pan.   Mr. Pan said he would discuss with the project to see if the material can be changed to 410 stainless iron. And Mr. Pan also asked Ms. Song if she had a composition analysis table of 410 stainless iron that they needed to look at. Ms. Song then reported the composition of 410 stainless iron to Mr...

  Can stainless self tapping screw be finished black? Mr. Yu saw on the Internet that The Shi Shi Tong screw manufacturer makes screws, so he called Miss Xie and asked if she could make M5*62  stainless self tapping screw , and the surface treatment would be black. Stainless self tapping screw  if you want to make black, generally do high temperature black, black, QPQ, black zinc and other processing. Black zinc is generally not recommended. Because stainless steel screw surface made of black zinc, the surface is easy to be removed, not so strong.   But the black finish on these surfaces is different. Miss Xie asked Which surface treatment Mr. Yu needed. Mr. Yu asked Ms. Xie to show him the colors of these finishes. And Mr. Yu asked Miss Xie where the factory address is, if it is near, he will come to the factory to see.   After Mr. Yu received the pictures and address sent by Miss Xie, he found that this place was quite close to him. He agreed with Miss Xi...

  Should not you know the differences between theft-resistant screws with ordinary screws? Screws are very common in daily life, but small screws belong to a large family. Today, we come to understand the difference between  theft-resistant screws  and ordinary screws in the screw family! First of all, let’s know about the  theft-resistant screws , also called anti-disassembly screws. It is to prevent being dismantled, the screws that need specific tools to be removed, such as the torx tamper screw, pentagonal tamper screw, square tamper screw, and other kinds of different groove type screws with a tamper. There are also anti-theft screws designed through the head like an S groove screw. And the screws that can be removed with a common screwdriver are ordinary screws. Anti-disassembly screws are widely used. Many businessmen will buy  theft-resistant screws   to decorate their shops, such as the door of the exhibition cabinet. It is also often seen in outdo...

  How to remove oil stains on M8 stainless steel screws? Have you ever seen the  M8 stainless steel screws  just produced? Do you know that there will be oil stains attached to the screws just produced? Do you know how to remove oil stains from screws? Last month, Shi Shi Tong screw factory made a deal with a batch of  M8 stainless steel screws . I just saw the screws produced in the workshop. Their surfaces are covered in oil and they don’t look very clean. The screws just produced need to be cleaned before they are packaged and sent to customers after passing quality inspection. So, how to remove oil stains from stainless steel screws? First, to remove oil from  M8 stainless steel screws , it is recommended to use weak acid and good performance oil remover, which has good penetration, dispersion, wetting, saponification, and emulsification capacity for oil pollution, and the cleaning effect is remarkable. Two, in addition, you can also use a stainless steel cl...

  Long stainless steel screw customization, its price depends on what factors? Shi Shi Tong screw factory is located in Shenzhen, Guangdong province, China. Our products are self-tapping screws, shoulder screws, non-standard screws, small screws, and long screw. Among them,  long s tainless steel screw is in great demand for customization, so do you know what factors determine its price? One is the material. For different materials, the price will be different, especially the high strength and low strength of the material. Their prices are different because of their different performances. Two is the surface treatment. Screw’s surface treatment, some by kilogram charge, some by quantity charge. Because some surface treatments’ technology is high, and its raw materials are expensive. Three is craft technology. Shi Shi Tong’s  long stainless steel screw  is customized and rarely available in stock. We need to do different effects of screw processing according to the di...

  Look function about cutting thread of stainless steel self tapping thread cutting screws A friend in the same industry asked Ms. Song, she saw a kind of  stainless steel self   tapping thread cutting screws , but she did not know what the function of screws’ thread cutting is. Ms. Song told her that the hook slot on the cutting thread was for chip removal because the self-tapping screws’ wire fell into the slot, which will reduce the resistance to screw in. The tapping ability of  stainless steel self tapping thread cutting   screws  is better than ordinary flat tapping screws. Therefore, it can be used directly on general thermosetting plastics or hard thermoplastic aluminum alloy materials. In addition, the  stainless steel self tapping thread cutting screws  can also play the role of guide teeth and have the ability to tap teeth together, making the screw easier to drill into the object. For more information about  stainless steel self t...

  When M3 carbon steel countersunk head long screws become bent… When you want to use long screws urgently, the screws are bent. What should you do? After a pleasant communication with Miss Liang from the sales department of Shi Shi Tong, Mr. Wang from Hangzhou decided to give 200  M3 carbon steel countersunk head   long screws  with bent rods to Shi Shi Tong for straightening. According to Mr. Wang’s experience, Ms. Liang first told Mr. Wang the reason for bending  M3 carbon steel countersunk head long screws . Because Mr. Wang required to improve the hardness, strength, and corrosion resistance of the screws, the original last factory made heat treatment of the screws, that is, hard surface treatment. After measurement, the rods of the screws are bent from 0.2mm to 1.2mm. The reason for this is that carbon steel screws are usually heat treated as a bunch of screws, so there are always unevenly heated screws, which can cause them to bend. In addition, the rate ...

  4 advantages of using custom non-standard screws. Do you know what they are? In the screw fastener industry, there are standard screw and non-standard screw two kinds of classification. There are many kinds of thread standards internationally, such as GB, ANSI, DIN, UNI, JIS and ISO. Standard parts account for more than half of fasteners. But with the development and improvement of machinery, standard parts gradually do not meet people’s needs. Thus,  custom non-standard screws  appeared. Non-standard screw is the part of thread specifications outside the national standard, it is different from the standard parts of general metric system and English system. The pitch and diameter of non-standard screws need to be designed and processed specially to produce screws that meet customer’s requirements and are different from standard parts. In addition, custom screws can also be customized logo. In addition to this feature,  custom non-standard screws  have three ot...

  Sustainable development is the way for custom screws manufacturers to develop Hardware industry gradually in the market, screw fasteners as an indispensable existence in the development of industry, almost throughout people’s lives. It can be seen that the prospect of a screw customization industry is broad. So in view of the topic about development of the screw industry, why do I say that sustainable development is the way of   custom screws manufacturers ? First, the sustainable trust of customers. The screw is an invention used for connecting functions. In the process of using, the quality of the screw may be questioned, such as screw broken head, the tooth of the screw cannot be connected closely with the tooth, etc. Therefore, our  custom screws manufacturers  need to strictly control the quality of screws’ production, achieve daily quality priority, and strive for the sustainable trust of customers. Second, customization technologies for sustainable progress....