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+86 13143444311
Email:sst@szsst88.com
Fax:+0086-755-27322278
Address:Building 9, First Industrial Zone, Tantou Industrial City, Songgang Street, Baoan District, Shenzhen 518105, Guangdong, China
Sometimes the cross groove and the rod of the phillips round head machine screw that are produced are not on the same axis, or the deviation is large. This kind of screw has a great influence on the assembly and can’t even be used. Therefore, we must ensure the coaxiality of the groove and ...
12 月-19-2018
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 ...
12 月-19-2018
Recently, Mr. Chen is more distressed. A new product of their company is easily opened by people. Their custom-made tamper resistant screws fastenal did not work. With a puzzle, Mr. Chen found Shi Shi Tong. Mr. Chen’s custom-made tamper resistant screws fastenal are made within 8 sides of ...
12 月-18-2018
As long as the screw fasteners are surface treated, they will basically be processed according to the technical requirements of the surface treatment that needs to be done, instead of doing it yourself. What is the surface passivation requirement for security screws stainless steel? The security...
12 月-18-2018
Above the metric torx head machine screws fasteners in the metric system, we can see that there are rounding and chamfering. Their types are: Its dimensions are as shown in the table below: Unit: mm R 0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.6 2.0 2.5 3.0 C 4.0 5.0 6.0 8.0 10 12 16 20 25 32 40...
12 月-18-2018
In accordance with the GB/T 90.2-2002 standard: Product logo for flange button head socket screw The markings on the screw fasteners shall comply with the national standards for fasteners and industry standards. Among them, “fasteners only in this identification mark” (or fastener dealer identi...
12 月-18-2018
When Mr. Li placed an order for the brass screws round head slotted to Shi Shi Tong, he said that he wanted to print their company logo on the screw and also printed their company logo on the package. What we can say can be done by Mr. Li. And asked if Mr. Li has the design drawings of the brass...
12 月-18-2018
Tamper resistant screws are generally designed to make it difficult for others to unscrew their products. Because some products open to certain dangers, all the screws that need not be easy to open are fastened. So how can tamper resistant machine screws be tamper proof? The choice of the groove...
12 月-17-2018
In the field of electroplating applications, the required plating metal is dissolved in the electrolyte, the plated metal substrate acts as the negative electrode, and the anode electrode acts as the positive electrode, forming a complete current transfer cycle. The chemical reaction that occurs ...
12 月-17-2018
What is the stainless steel socket head cap screw tensile strength? In fact, the strength of the screw is generally expressed in the strength grade. If you want to know the stainless steel socket head cap screw tensile strength, let us first understand what is the tensile strength. Stainless st...
12 月-17-2018
Screws must pay attention to quality, because the screws are used to assemble products. These screws are generally used in electrical appliances, machinery, construction, automobiles, communications, etc. Once a small screw has a problem, it may cause the entire product to be unusable. So what is...
12 月-17-2018
The torx groove type is used on the screw fasteners. Then, the six lobe groove type is used on the 100 degree flat head machine screws. Is there any requirement for the six lobe size? In many cases, the size of the six lobe is related to the diameter of the head of the 100 degree flat head machi...
12 月-17-2018