Shenzhen Shi Shi Tong Metal Products Co., Ltd

  What is the lead time for long machine screw? Now screw fasteners can be purchased spot through the network, but some screw fasteners are not in stock on the network, they need to find the manufacturer to customize, such as  long machine screw , then how long is the delivery cycle? Suppose that the size of this  long machine screw  is M6*780, the cup head has a hexagon socket and carbon steel material, the required quantity is 10000pcs, and the surface treatment is electrophoresis. If production is carried out according to the above assumption, it needs to be divided into two situations, one is mold opening, and the other is no mold opening. The mold opening time is generally 9-12 working days. The time to debug the machine is about 1 working day. It takes about 4 working days to head and rub the thread. The surface treatment takes about 3-5 days. And it doesn’t even count the time of listing. If there happens to be a machine in the screw factory producing similar ...

  What is the standard thread range of titanium hex screw? When ordering  titanium hex screw , some customers do not understand the diameter of the thread, thinking that the diameter of M4 thread, the size of the thread is 4mm, but it is not, the following Shi Shi Tong screw manufacturer has sorted out some common thread size for reference. The specification of  titanium hex screw  thread 2A (60°) is shown in the table: specifications P Outer diameter Run make diameter MAX MIN MAX MIN M1 0.25 0.98 0.838 0.729 0.693 M1.1 0.25 1.098 0.938 0.829 0.793 M1.2 0.25 1.18 1.14 1.04 1.01 M1.4 0.3 1.38 1.34 1.2 1.16 M1.7 0.35 1.68 1.61 1.46 1.42 M2 0.4 1.98 1.89 1.72 1.69 M2.3 0.4 2.28 2.19 2.02 1.99 M2.5 0.45 2.48 2.38 2.18 2.15 M2.6 0.45 2.58 2.48 2.28 2.25 M3 0.5 2.98 2.88 2.64 2.61 M3.5 0.6 3.47 3.36 3.06 3.03 M4 0.7 3.98 3.84 3.49 3.15 M4.5 0.75 4.47 4.34 3.96 3.92 M5 0.8 4.98 4.83 4.43 4.38 M6 1 5.97 5.82 5.3 5.25 M7 1 6.97 6.82 6.3 6.25 M8 1.25 7.96 7.79 7.12 7.07 M9 1.2...

  Can you make M2 titanium screw? Mr. Ma is an engineer of a company in Shenzhen. He designed a type of  M2 titanium screw  according to the newly developed product of their company. After finding the screw manufacturer of Shi Shi Tong, Mr. Ma asked whether we could make his screw. The length of this  M2 titanium screw  by Mr. Ma is 16mm, and the screw thread is half thread. The diameter of the rod is smaller than the normal grinding diameter, and the diameter of the head is larger than the standard head diameter. This screw of Mr. Ma’s can be produced by Shi Shi Tong screw manufacturer.   However, before giving the quotation to Mr. Ma, the Shi Shi Tong screw manufacturer needs to know what the quantity of their subsequent production is, so as to choose a suitable production method for Mr. Ma and save the cost for him. Mr. Ma said that their company’s subsequent order quantity is not a lot of very sure, after all, it is a new research and development of the...

  Why to use security machine screws and how to remove Some people steal electric cars, some office equipment, but most of the time is to dismantle the things to go, if you do not dismantle the items, because some things are too big, it is almost impossible to steal. If you also want to avoid closets being stolen and doors and Windows being ripped apart, you might consider using  security machine screws . Why use  security machine screws A lot of people have heard of this type of screw, but they don’t know why they use it. In fact, the use of this screw is mainly to avoid being disassembled items. These screws don’t have any buckles on the surface, which means a normal screwdriver can’t be removed at all. If you want to remove this screw, you must use the professional tools to remove it.   The use of this screw, can be very good protection of user privacy. As long as it is not agreed by the user, it cannot be disassembled at all. Even if it is disassembled, there wil...

  Stainless steel knurled machine screws, its knurled be made only because it looks good? Today, I saw a beautiful kind of screw in the exhibition cabinet of our company. My colleagues told me that it was  stainless steel knurled machine screws . I was very happy to learn a piece of new knowledge about screws, so I took the initiative to ask whether the thumb of screws is for a good appearance? My colleague Miss Huang told me that thumb screws have three kinds of knurlings: straight knurling, net knurling, and cross-grain knurling. A screw’s knurling is a mechanical process for rolling patterns on the surface of the screw’s pinching hand or other parts. Generally made knurling on the head of the screw, so that when using the screw, you can directly twist it by hand. And most of the screw knurling is mainly anti-slip. Miss Huang took a net knurled thumb screw and put it together with the  stainless steel knurled machine screws  in my hand. She asked me if it was very ...

  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 (...

  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 ...

  Machine screw suppliers introduce you to the screw thread The difference between mechanical screws and other screws can be based on whether they can be used with a nut.  machine screw suppliers  are supplied with nuts. Compared to the screws of other teeth, there are self-tapping screws. Self-tapping screws are unneeded nuts for assembly. As for the standard thread and the fine thread, the thread distance is different. It is the nut of the machine screw. Non-self-tapping screws are machine thread screws, that is, the workpiece to be fastened by the screw must be tapped in the screw hole with a tap to match the thread. The  machine screw suppliers  also want to tell you that according to the thread type, it is divided into ordinary thread, pipe thread, trapezoidal thread, rectangular thread, and zigzag thread. In addition to the pipe thread, the metric thread is used in China. Another type of mechanical thread is called a rectangular thread (the thread shape is...

  Another friend who came to find Shi Shi Tong machine screws manufacturers Mr. Wu is the purchasing manager of a lighting manufacturer in Zhongshan. Mr. Wu is connected to the Shi Shi Tong  machine screws manufacturers  through the network. In fact, before contacting the Shi Shi Tong screw manufacturer, Mr. Wu had heard his friend talk about Shi Shi Tong, but he had never had the opportunity to cooperate. This is also fate. Recently, Mr. Wu’s company, which was responsible for purchasing screws, was so cheap, that most of the screw screws they purchased were not working properly, seriously delaying their delivery. So this time I learned the lesson and I must find a regular  machine screws manufacturers  to cooperate. After that, Mr. Wu was “coincidentally” connected to the Shi Shi Tong screw manufacturer. After communicating with Mr. Wu, Shi Shi Tong screw manufacturers asked Mr. Wu if he had more time to come to our factory. If anyone else said ...