Shenzhen Shi Shi Tong Metal Products Co., Ltd

DIN 7985 1990 Phillips Pan Head Machine Screw : din 7985 1990 phillips pan head machine screw standard: DIN7985 ISO7045, Thread diameter: M1-M12, Thread Length: 1.5mm-1900mm

Mr. Wang of Shenzhen found the Shi Shi Tong screw manufacturer and sent a  low profile m12 socket cap screw . How long does it take to customize the delivery time of this screw? Whether it can be delivered within the specified time. Mr. Wang said that the founder of the Shi Shi Tong screw manufacturer was introduced by others. The person who introduced it said that the quality of Shi Shi Tong is good and the delivery time is also on time, so this time I want to make the  low profile m12 socket cap screw  here at the Shi Shi Tong screw manufacturer. Mr. Wang also had a supplier of custom screws before, also in Shenzhen. His previous screws were made in this house. However, the delivery time of this screw factory is not very punctual, sometimes on time, sometimes not on time. Mr. Wang said that he sometimes could not wait to sleep in this screw factory, staring at them for production and handing the goods to him. After Mr. Wang’s friend knew about it, he gave M...

Shenzhen Shi shi tong once received an inquiry, the customer said to customize the  ultra low profile screws , this screw must be resistant to high temperatures. Because the products assembled by screws are often exposed to very high temperatures, the screws do not lose their fastening due to excessive temperatures. After that, Shi shi tong gave the customer the maximum temperature that the usual screw contact. The customer provided the data to us. According to the data provided by the customer, we recommend that the customer’s  ultra low profile screws  use 314 stainless steel. The screws made of this material can withstand high temperatures and can meet customer requirements. The customer said that this material can be. After confirming the size of the  ultra low profile screws , the customer pays us to let us produce. After the delivery of the screws, the customer sent a message and said that the results of the test made him very satisfied. The screws...

Mr. Liu of Luohu, Shenzhen, is a purchasing manager of a well-known sweeping robot factory. Their products are to be exported to Europe, and their products need to use some   low profile shoulder screws , so Mr. Liu personally looks for a low step screw manufacturer. Mr. Liu found out a lot of step screw manufacturers through a variety of channels, but after careful comparison, Mr. Liu decided to come to the SHI SHI Tong to have a visit. Mr. Liu, with the company’s engineers, came to the SHI SHI TONG, and Miss Song of the SHI SHI TONG received them. Mr. Liu brought his own  low profile shoulder screws  samples and drawings. After the SHI SHI TONG look the sample and drawing, it can be determined that the precision requirements of the customer’s drawings can be met, and the low profile shoulder screws that have been produced by the SHI SHI TONG are presented to the customer. After visiting the SHI SHI TONG, Mr. Liu and his colleag...

Hydrogen embrittlement generally occurs on  low profile head machine screws  made of carbon steel. Especially when the screw is high-strength, hydrogen embrittlement occurs, which makes people particularly troublesome. So how does the flat head screw reduce hydrogen embrittlement? ★Measures to reduce stress Fasteners with a cold work hardness greater than or equal to 320 HV and electroplated can increase the stress relief process. If the process is carried out in accordance with the requirements of GB/T 5267.1-2002 electroplating, the temperature and duration of the process shall vary according to the design of the part, the process and the heat treatment conditions of the part, and the electroplater shall be notified in a timely manner. Machining, grinding, cold forming, or cold-rolling heat treatment of parts with a hardness exceeding 320 HV shall comply with ISO 9587. In the case of intentional introduction of residual stress, the stress release is not satis...

In some cases, customers who need  low profile shoulder screw  will generally give priority to the manufacturers in their vicinity, because they can go to the factory at any time. However, when the screw manufacturers in the vicinity cannot meet their production requirements, it is necessary to expand the scope of the search. Mr. Ning wants to customize a  low profile shoulder screw , but he finds a nearby factory, but he can’t meet his production requirements. Later, Mr. Ning found the Shi Shi Tong screw manufacturer on the Internet. On our website, he saw a shoulder screw similar to his needs. He thinks we can produce this screw. In the course of talking with Mr. Ning, Mr. Ning said that his low profile shoulder screw should be stainless steel black, and the groove of the head should be made into plum, saying that he used it outside. We told Mr. Ning that the surface of the stainless steel is black, usually with ruthenium-plated z...

When ordering  low profile socket head cap screw  in accordance with GB/T 5267.1-2002 plating requirements, the following information should be provided to the galvanizer: ★Plating mark. And when required, it can also provide the coating required according to GB/T 5267.1-2002. ★ low profile socket head cap screw  material and status. Such as heat treatment, hardness or other properties that may be affected during the plating process. ★Stress relief state. If necessary, it should be done before plating. ★Technical requirements for preventive measures for hydrogen embrittlement risks. ★Batch average coating thickness measurement is preferred. ★Select the plating or reduce the technical requirements of the thread size of the  low profile socket head cap screw ★For gloss or matt requirements, unless otherwise specified, a gloss treatment shall be provided. ★Supplemental plating technical requirements, such as lubrication requirements. If y...

Screws vary in size, shape, grade, and material depending on the product and the scene. Mr. Sha said that their company wanted a   ultra low profile socket head cap screws  with a rating of 10.9. According to Mr. Sha’s request, we said that we can achieve level 10.9 and use 435 carbon steel material. Mr. Sha said that stainless steel is not enough? The grade of stainless steel is 4.8, which is not up to 10.9. The carbon steel material can reach 4.8 or above. After asking Mr. Killer whether there is any requirement for surface treatment, Mr. Sha said that the  ultra low profile socket head cap screws  should be nickel plated and the salt spray test is required to reach 12 hours. After all the details were confirmed, we reported the price of the  ultra low profile socket head cap screws  to Mr. Sha. Mr. Sha said that he has already reported the price to his superiors and that he can have resulted in about 3-4 days. If you want to custo...

What is the difference between a  ultra low head cap screws  hexagon socket  and a normal allen head? The difference between them is mainly reflected in the structure of the screw head. The ultra low head cap screws hexagon socket is biased to the flat head. When the requirement is high, the head of the hexagon socket head screw is chamfered. This is produced by machining. It will be more beautiful on the outside. How to use the  ultra low head cap screws hexagon socket ? In fact, this kind of screw is generally used on furniture, which is the furniture connection screw we often say. In the process of using, first insert the plastic embedded part into the round hole of the board, the screw head should be balanced with the board, then screw the screw into the embedded part, knowing that the metal threaded part is not visible, but do not screw it. Too tight, too tight will cause the embedded parts to trip. Screw the side plate of the screw into the hole of the p...

Mr. Wu had previously purchased a M5 pan head slotted wire screw at the Shi shi tong screw manufacturer, but this time when I contacted us again, the previous one was the same length. He wanted to change the head type. Change the pan head to a low head. And given the head diameter of the  metric low head cap screws , ask us how much thickness can be achieved without affecting the use. Mr. Wu said that he has no requirements on the thickness of the head of the  metric low head cap screws  and can use our existing molds for production. Of course, the thinner the better. According to Mr. Wu’s request, we looked at our existing molds and gave us the range of values we can do according to the 13mm diameter of the head. Mr. Wu quickly determined the thickness he wanted. After determining the size, Mr. Wu asked us to provide a new quotation to him. After receiving the offer for the  metric low head cap screws , Mr. Wu said that he would give us a reply at the latest...

Low head socket cap screws  can be made of many materials, such as stainless steel, titanium, iron, aluminum and copper. When you choose these materials, you will be limited. Stainless steel  low head socket cap screws  are not available in stainless steel when the surface is treated with red or purple. Or the screw required by the customer is very complicated, the stainless steel material is very hard, and it is not able to reach the size required by the customer. Carbon steel  low head socket cap screws  require a long time in the salt spray test, such as 500 hours, this is not possible. Copper, aluminum, and titanium flat-head hex screws are not available when the length of the screws is required. Generally, stainless steel and carbon steel are required. If you want to customize  low head socket cap screws , please send email: annie.li@szsst88.com

Mr. Zhou’s factory is made of various motors. A few days ago, Mr. Zhou found Shi Shi Tong and gave us a  low head socket head cap screw  dimensions  chart. Can you do this screw? Do you want to open the mold? In Mr. Zhou’s  low head socket head cap screw dimensions  drawing, the length of the screw is 275mm and the thread diameter is M5. We can produce this screw, but we don’t have the corresponding mold, so we need to open the mold. After talking to Mr. Zhou, Mr. Zhou asked us if we were similar to the  low head socket head cap screw dimensions  mold, he can resize according to our existing mold. After learning that our existing molds were different from him, Mr. Zhou agreed to open the mold. If you want to customize  low head socket head cap screw  dimensions ,  please  send an email: annie.li@szsst88.com

With the development of the Internet, when we shop now, we often buy it online. When we find a manufacturer that can produce long screw  on the Internet, we generally shop around and then choose a screw manufacturer with a lower price. Most friends who choose a low price will think that they are cheaper and save a sum of money. But is this the case? First of all, the threshold of a screw manufacturer is not very high. With a few machines, the screws can be processed. Although the production of long screws is not so easy, it can also be produced by welding. The long screw  produced in this way is not the same quality for the long screws produced by the cold head clamping. And the price is different. The quality of the long screws produced by the mold clamping is much better than that produced by welding. In addition, the price of long screw  is low, and sometimes it is related to raw materials. For example, a screw manufacturer uses an authen...

What are  hammer   drive screws   dimensions ? How do you describe the size of hammer drive screws ? Where can you make the hammer drive screws ?

One way security screws  is that it has an unconventional groove type. If there is no matching screwdriver, it is difficult to tamper with the screw. One method is to fix the material with screws to prevent it from being tampered with or stolen. You will often see safety screws used in bathroom compartments, especially toilet partitions and other public places. Generally, the One-way security screws are made of stainless steel of grade 18-8 or above, which is rust-proof and corrosion-resistant. One reason for the name of a  one way security screws  is its driving method. The head of the  one way security screws  has a slotted drive that can be ejected immediately if the drive is turned in the wrong direction. This makes it easy to install the screws and only requires a standard slotted drill bit, but without the corresponding drill bit or specially designed removal tool, it is difficult to remove the screw. If you want to find  one way securit...

What is  extra long socket screws ? Extra long socket screws  can have cup head, countersunk flat head many head types, but the groove is hexagon socket. The  extra long socket screws  thread is usually half thread, the diameter of the screw rod is smaller than the diameter of the thread, mainly to save costs. There are several choices of material, mainly stainless steel, carbon steel, and aluminum. So copper and titanium can be made? This depends on the length of the screw, because due to the material itself, the molding of the long screw will be limited, too long to do. Hexagon screws are widely used in many industries, ranging from hardware, electronics, electrical products, mechanical equipment products to automobiles, ships, aircraft artillery. Of course, this lengthened hexagon screw is mainly used in the fields of electricity, chemical engineering, water conservancy, mechanical equipment, furniture and so on. What are the  extra long socke...

Security head screw  is also called anti-theft screw or anti-demolition screw, the anti-theft screw is widely used in the field of its application, in today’s society to protect their own interests and use security head screw, is a kind of fastener to prevent long-term outdoor public environment fixed facilities stolen. security head screws generally include two main categories, one is detachable and the other is not removable. The detachable security head screws include eccentric hole anti-theft security head screws, two-point anti-theft screws, inner triangle anti-theft screws, torx anti-theft security head screws, hexagonal anti-theft screws, etc. Nonremovable security head screws: S type anti-theft  security head screws , carriage anti-theft security head screws. All kinds of  security head screw  are customized. The above product introduction is based on the actual supply of Shenzhen Shi Shi Tong Metal Products Co., Ltd. Details of speci...