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Tel:
+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
The stainless steel screw fasteners that can be seen everywhere in our lives are all seen from the exposed parts. Some screws hide the inside of the item. We don’t have the part that removes the cover screw. We can’t see it and we don’t know if it’s a screw. What kind of screws, but some of the s...
10 月-06-2018
Different machine screw have different machine screw head types, groove types, thread types, finish types, etc. Today, Shenzhen Shi Shi Tong mainly talk about screw head type. Countersunk flat head: The countersunk flat screw has a conical bearing surface with a flat top surface and a coun...
10 月-06-2018
Specialized screws has been designed, which can not be found in the screw shop. How to customize it? And we need authentic 304 stainless steel material, i ask the next screw shop, their stainless steel is 201. How do we find a reliable supplier to make a special screw of stainless steel 304? The...
10 月-06-2018
Rivets are fasteners that are not threaded. Every item has a usage scene and its purpose. Rivets are commonly used for riveting joints between objects and usually require the use of specific special tools for operation. There are many types of rivets, such as semi-circular rivet, countersunk rive...
10 月-06-2018
Metric machine screws Head height: The head height should be measured parallel to the screw axis at the metal body part of the top surface of the screw head. That is, due to the slot or the cross slot, the portion intercepted on the top surface of the head cannot be calculated in the head height ...
10 月-07-2018
There are often customers who ask for grade 10.9 screw. What does this mean? When I first came into contact with the screw industry, I still don’t know what it means. Does the screw have a grade requirement? So I went to ask our technical master, the master told me that the 10.9 level is th...
9 月-30-2018
Screws are used in a wide range of applications. The electrical appliances used in our lives, the machines used in industry, the large and small devices that can be seen everywhere, and the screws play an important role, which is indispensable. Because the use of screws is so extensive, there are...
9 月-30-2018
Screws vary in use depending on the head shape, groove shape, and thread type. So what is screw used for? When the cross recess screw is tightened, the neutrality is good, the automatic assembly is easy, the productivity is high, the strength of the groove is high, and it is not easy to slip. Sl...
9 月-30-2018
There are many groove screw in the screw, the most common is the phillips recessed and slotted, hexagon socket, six lobe so on. The phillips is more tightly contacted with the screwdriver than the slotted, so it is not easy to slide the thread, so the most commonly used on the market is the phil...
9 月-29-2018
Many customers in the procurement of fasteners, worry that manufacturers produced coarse screw do not meet the requirements of their tensile load requirements. Shenzhen Shi shi tong manufacturers provide a detailed table of the minimum tensile load of coarse thread screws for your reference: Mini...
9 月-29-2018
The application of screws is now more and more common. So do you know the history of screws? Today, Shi shi tong manufacturers will introduce it. The first person to describe the spiral was the Greek scientist Archimedes (circa 287 BC – 212 BC). The Archimedes spiral is a huge spiral mount...
9 月-29-2018
Screw Products Name Screw Products Grade Thread Tolerance Material And Performance Level Finish slotted cylinder head screw ① (GB/T 65—2000) grade A 6 g carbon steel：4.8、5.8 1）cleaning 2）plating stainless steel ： A2-50、A2-70 Simple processing Non-ferrous metal：CU2、CU3、AL4 sl...
9 月-29-2018