Shenzhen Shi Shi Tong Metal Products Co., Ltd

  How to install steel self tapping screw? Generally, when we need to install two accessories, we usually need screws to tighten them. It may be a machine screw or it may be a steel self-tapping screw. Then how to install  steel self tapping screw ? Some people say that there is no need to punch holes in the installed parts in advance when installing  steel self tapping screw s, just take the screws and attack them directly. Some people also say that it is necessary to punch holes in the installed parts in advance so that it will be better when fastening. In fact, both ways can be done. If the fitting is not punched in advance, then the  steel self tapping screw  may appear during the installation and be a little crooked when tapped, or the electric screwdriver may not be used, so little effort will be spent in the screw and it cannot be screwed in. If holes are punched in the installed parts in advance, we can tighten the parts quickly when screws are used for ...

  Shi Shi Tong tapping screw supplier to meet your needs Two days ago, Mr. Mo in Shenzhen wanted to find a made of titanium  tapping screw supplier . He went to several screw manufacturers and said that they did not produce self-tapping screws made of titanium. Many screw manufacturers produce stainless steel and carbon steel, but the manufacturers of self-tapping screws made of titanium are less. Once by chance, Mr. Mo saw on the website that Shi Shi Tong could produce titanium self-tapping screws, so he called Ms. Song to inquire whether she could produce titanium self-tapping screws. Ms. Song said that we only produce pure titanium, and asked Mr. Mo whether he had drawings of screws. After Mr. Mo added Ms. Song’s information, he sent the drawings to Ms. Song, and Ms. Song made a quotation based on Mr. Mo’s drawings. Mr. Mo asked about the delivery days, Ms. Song said that it generally takes 10 to 15 working days to complete the production and delivery, Mr. Mo agreed to this...

  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...

  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...

  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...

  Phillips stainless steel self tapping screws about the mold fee need to pay attention to what? When we customize  phillips stainless steel self tapping screws , if it is produced by cold heading, it generally involves the problem of mold. That is, whether the screw manufacturer has a mold, if there is no mold, you need to pay the cost of the mold. So when we order screws, what do we need to pay attention to when it comes to molds? One is the mold and whether the mold cost can be returned, what are the conditions of return. Because some manufacturers will not return the mold and the mold cost once they order the mold, some manufacturers can return the mold cost but not the mold, and some manufacturers can return the mold and the mold cost. Each screw manufacturer sets different standards for these problems.   If the mould needs to be ordered, which party shall bear the cost in case of wear or damage in the process of use? Three are whether the mold fee includes tax. ...

  When producing hexagon socket stainless tapping screws, why do different manufacturers make different weight? Some time ago, a customer asked The Screw Manufacturer of Shi Shi Tong, why he ordered the same specifications and quantity of  hexagon socket stainless    tapping screws  from different manufacturers, but there are great differences in weight? In general, if the specifications, material and quantity of  hex agon  socket stainless  tapping screws  are the same, the weight of the screws will be different only in the production of the material size. For example, the same 8*10 carbon steel self-tapping tail screw, the standard wire size is φ2.4mm-φ2.45mm, but some manufacturers may use φ2.15mm or φ2.2mm. If the number is 100,000 and only the length of the wire is counted, then the weight of the 2.45mm wire is about 37kg, and that of the 2.2mm wire is about 29.8kg, a difference of 7.2kg. As can be seen from the above examples, different...

  Can stainless steel truss head tapping screws be produced with 303 material? Miss Qian from Wuxi, Jiangsu found the Shi Shi Tong Screw Manufacturer through the Internet and gave our customer service staff a drawing of   stainless steel truss head tapping screws . She asked if this drawing could be produced with 303 materials.   Customer service staff saw the drawing of the screw groove as a cross groove, found the screw head size is not far away from the standard, and it is a little larger. The 303 material is generally used in the turning process that is unable to form the cross groove unless the groove is flushed out. Customer service staff suggested Miss Qian use the 304 material to produce  stainless steel truss head tapping screws  and explained to Miss Qian why to change the brand of material. After listening to the explanation, Miss Qian agreed to change the 303 material into 304 material.   However, Miss Qian raised another question, saying that i...

  Round stainless tapping screws, can they be delivered within 6 days? Mr. Zhou is in urgent need of a batch of  round stainless tapping screws , but the head size of his screws is a little too big compared with the standard ones. According to the standard head size, the hole could not be plugged, so he looked for a nearby manufacturer and found Shi Shi Tong, asking if we could deliver the goods within 6 days. The specification of this  round stainless tapping screws  of Mr. Zhou is 2*6. It happens that the specification of ST 2.0 pan head screws produced by Shi Shi Tong is now on the machine, but the head type is different from that required by the customer. Moreover, the workshop is busy with orders, the starting process will be finished by noon, and the machine will be changed in the afternoon.   So Mrs. Song immediately called Mr. Zhou to explain the situation. If he decided to place an order with Shi Shi Tong, she also asked Mr. Zhou to confirm as soon as p...

  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...

  What is a Self Tapping Screw – How to Use Self Tapping Screw ? What is a self tapping screw  and which screws are the self-tapping screw? Without further ado, look at the picture firstly, can you see the something in common on them? Self tapping screws  include self-tapping-A Screw(Self-Tapping Screw with Tip Point )and self-tapping-B screw (Self-Tapping Screw With Flat Point ). The screws in the picture above are Self Tapping Screw with Tip Point. The following are two screws, which are self-tapping screws with flat points, and the right also name THREAD CUTTING SCREWS. So How to Use Self Tapping Screw ? Where it will be used? General  self tapping screw  to use on the materials of low hardness, such as aluminum alloy, and the thickness of the material is not very thick, it is mainly used for some lamella piece connected with the fixed, such as Choi steel connection with Choi steel, color steel plate and purlin, wall beam connection and the thin metal plate (...

  Phillips Truss Head Self Tapping Screw Size   Self-tapping screws are one of the more used screws. Today’s Shi Shi Tong Screw introduce the size of the  phillips truss head self tapping  screw , which is represented by letters TA. Phillips truss head self tapping screws also belong to precision screws. Commonly used in the market are relatively small size specifications. Phillips truss head self tapping screws are ST2, ST2.5, ST3, etc. This refers to the size of the phillips truss head self tapping screws.  Phillips truss head self tapping screw  lengths are 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm and so on. The measurement of the length of the phillips truss head self tapping screw does not include the thickness of the truss head. Most screw manufacturers in China use the Japanese standard to produce screws. Then let’s look at the size of the phillips truss head self...

  The Difference Between Self Tapping Screws And Machine Screws Many people know about  self   tapping screws , but they only know about self-tapping screws, that is, screws with screw tail tip or drill-tail, but they do not know that there is another type of self-tapping flat end screw.The thread pitch of  self   tapping screws  are usually relatively large, so as to quickly “self-tapping” to the place to be attacked. self tapping tail tip screw self tapping flat end screw machine screw Compared with the above two screws, it can be quickly identified which one is self-tapping screw and which one is machine thread screw. The biggest difference between  self   tapping screw s  and machine screws are these: self – tapping is direct, while machine screw requires a nut.Many people have seen that ultra low head no slotted screw, and will continue to ask: how to remove the screw? Must not see inside, usually ...