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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
What do they stand when you see UNC and UNF letters on the phillips machine screw drawing? If you need to produce a component with 1/4″ -20UNC and 1/4″ -28UN threads. Do you know what UNC and UNF stand for? The Shi Shi Tong Screw Factory is here to tell you. phillips machine screw, U...
10 月-12-2019
Can countersunk head screw also have guard against theft? Shi Shi Tong screw factory tells you, of course! Shi Shi Tong screw factory has just produced a stainless steel countersunk pentalobe security screw. Screws are usually used to connect two objects. The head of the screw is usually outside...
10 月-12-2019
As a supplier of custom-made non-standard shaped screws, it is often necessary to draw drawings for the customer to confirm, so how to draw the drawings of special stainless screw? First, draw out the outline drawing, length, nominal diameter, etc. of the special stainless screw; secondly, in th...
10 月-11-2019
Mr. Huang in Dongguan found Shi Shi Tong online. Mr. Huang needed to make a screw to ask whether he could customize stainless steel torx screws and provide the drawing of stainless steel screws. Mr. Huang send the drawing , but it’s stainless steel phillips screws, not stainless steel torx screw...
10 月-11-2019
Stainless steel torx security screw are a very common type of anti-theft screws. Professional tamper-resistant screws for manufacturers and installers. Permanent and reusable anti-theft screws are available from stock and can be ordered in special sizes. Stainless steel torx security screw are o...
10 月-10-2019
Compared with the ordinary countersunk head screws, the stainless steel countersunk head anti-theft screws has a pin in the center of the drive, which prevents the ordinary screwdriver from being detachable, so it is called countersunk head anti-theft screws. For example, the difference between t...
10 月-10-2019
Screws are generally full thread or half-threaded. But can the longer screws be made full thread or half threaded? For example, can 4 inch self tapping screws do it? The 4 inch self tapping screws are fully threaded. This screw manufacturer is required to have a large thread rolling machine (use...
10 月-09-2019
There are many types of galvanized self tapping screws that can be plated in a variety of colors. Of course, the surface treatment between different materials is also different. Please look down: Electroplating, the most common surface treatment of carbon steel is electroplating. The color of ga...
10 月-09-2019
Shi Shi Tong sometimes received customers asking which SS self tapping screws or carbon steel tapping screw is better? Which material is the cheapest? We all know that carbon steel tapping screws are cheaper than SS self-tapping screws because carbon steel is cheaper than stainless steel. SS sel...
10 月-08-2019
The tensile strength of the allen head self tapping screws depends on what material the screw is made of and whether it has been hardened by heat treated after the screw is manufactured, and the grade of the hard heat treatment is determined. Shi Shi Tong can customize the production of 4.8 6.8, ...
10 月-08-2019
When we first started using screws, we generally did not pay much attention to the torque of the screws. However, if the screw is not in use during use, we will pay attention to whether the screw has insufficient torque and insufficient strength. Then you need to reorder a batch of screws that me...
10 月-08-2019
phillips self tapping screws are often used for the connection of smaller parts. It has pan head screws, cylinder head screws, raised countersunk screws and countersunk screws. The head of the pan head screw and the head screw have a higher strength and are connected to the common parts; the head...
10 月-01-2019