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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
Screw fasteners come in a variety of head shapes, groove types, threads, and the like. Screws consisting of different head shapes, groove shapes, threads, and sizes are also different. Screw fasteners have different head shapes and different functions. So what are the screw head types and applica...
2018.09.28
When I first entered the screw industry, the first contact was the metric screw. I didn’t know much about the unc screw. When I received an inquiry from the US one day, the size marked on it was unfamiliar to me, so I started to look for information online. . Today we will talk about the un...
2018.09.28
Six lobe screw contain pan head torx screw, countersunk head torx screw, round head torx screw, cap head torx screw and so on, do you know what standard they refer to ? For example, what’s the size of torx should be made in M4’s countersunk screws? Screw head type refers to JIS B111 standa...
2018.09.27
The threads of the screws are generally machine thread and self tapping threads. The advantage of the self tapping screw is that it can be tapped directly without punching. Today we look at the self tapping screw head types. ★Truss head self tapping screws. This self tapping screw head types is a...
2018.09.27
What are the categories of self tapping screws fastenal? It is divided into A-type thread, B-type thread ,type AB, if you see it only through the shape of the thread. So what’s the difference between the three? How to distinguish screws A, B and AB? A thread are self-tapping screws w...
2018.09.27
We have seen a lot of various screws. When you see a screw, do you know the screw production process? Although the screw is small, it takes several processes to produce it. Let’s take a look at the screw process now! To produce a screw, first have drawings, the master is produced according...
2018.09.27
As a kind of hardware, screw can be made of different materials, such as iron screw, stainless steel screw, copper screw, aluminum screw and titanium screw. Different materials play different roles. Iron and stainless steel are the most common in our daily life. Copper and aluminum screws are not...
2018.09.26
Generally, the screw needs to be used with a screwdriver, which is why there is a screw groove type. How to use the screwdriver correctly? For the Phillips type screws, select a “cross” type screwdrivers that meets the screw specifications. During the operation, the screwdrivers shoul...
2018.09.26
Specialty screws and fasteners are rarely seen in the market or basically do not have. It needs to be customized to have it. And these screws appear because of people’s needs. Next, Shi Shi Tong screws factory will introduce some special screws and fasteners. ★This flat countersunk head hex...
2018.09.26
★The role of screws fasteners hardware thread ☆ fastening and connection ☆ Transmission ☆ sealing effect ★ History of thread development ☆Machine screw: When assembling, first drill the tapping on the assembly. The inner teeth of the tapped teeth are the same as the external thread of the screw,...
2018.09.25
Screws have a lot of threads, and the most used ones are mechanical threads and self-tapping threads. Usually only people know these two threads. What other screw thread do you not know? In fact, there are many non-standard screw thread, such as triangular threads, trapezoidal threads, T-threads...
2018.09.25
When we unpacked the laptop, we always found that each screw had a small blue color. What is this blue used for? This blue color is called special resistance resin. Screws coated with a drop-resistant glue are generally referred to as nylok patch screws or anti-loose screws. The principle is tha...
2018.09.25