Shenzhen Shi Shi Tong Metal Products Co., Ltd

Measuring screw is a must do for a screw factory every day, and the SSTong screw factory tells you how to measure the screws! When producing and selling screws, each screw will have a screw size and screw type.  With the specification of the screw and the type of the screw, we can know what kind of screw specifications the customer needs, and general standard ordinary screws will be available on the market.  However, there are some non-standard screws, which are not based on the size of the national standard model, and are customized according to the standards required for the product materials.  Such non-standard screws are generally not available in the market.  Need to customize production.  The advantage of the SSTong screw factory is that it can produce difficult-to-standard non-standard special-shaped screws.  We can customize it for your needs. Whether it is a standard screw or a non-standard screw, the size measured with a vernier caliper ...

Chris is a buyer of an electronics company in the United States and found a CPT screw manufacturer by searching online. When Chris found Shi Shi Tong, he asked directly if we could produce  chrome plated countersunk raised head screws . After carefully reading Chris’s drawings, we told Chris that this  chrome plated countersunk raised head screws  can be produced. Then Chris told us that he would give us an order for 200,000 pcs, but there are three places to deliver. One is China’s Ningbo, the other is the United Kingdom, and the other is the United States. And ask if we can deliver this way? And attach the shipping cost when you quote. We can do this kind of delivery, and we can tell Chris that we can do it. Then ask the exact address of the three places in Chris, we need to calculate the shipping cost. After reporting the price of the  chrome plated countersunk raised head screws  to Chris, Chris said he would wait for the response from the super...

Mr. Li needs to use a countersunk head screw to assemble his product, but his  countersink dimensions for flat head screws  is not standard. He can’t find the corresponding spot on the Internet for him to use. Therefore, Mr. Li can only go to the factory to produce his countersunk screws. After looking for a circle on the Internet and comparing it, Mr. Li found the Shi Shi Tong screw manufacturer and asked if we could produce countersunk screws. The  countersink dimensions for flat head screws  is not standard. Then we asked Mr. Li if there are drawings, we need to see the drawings before we can confirm. Then, Mr. Li gave the drawings to us. After careful evaluation of Mr. Li’s drawings, the project said that Mr. Li’s drawings needed to be modified before we could produce them. To change the depth of the hexagonal groove of the threaded part to 2mm, do not make 5mm, the limit of the machine can not be so deep. And let us ask Mr. Li if he can accept a l...

When ordering the screw fasteners, many customers will ask for the torque of the screws, especially when it is made of carbon steel. So what is the   torque specifications for machine screws ? When the   torque specifications for machine screws  of the screw does not meet the requirements of the customer, the screw of the screw will be easily broken when the customer uses the screw of the screw, and the screw cannot be used. Different screw specifications, the torque of the screw is also different. For the corresponding screw specifications, refer to the table below. Therefore, when you do not know the   torque specifications for machine screws , you can view this table, and use the tool to test the torque of the screw to meet the requirements.