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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
Security head screw is also called anti-theft screw or anti-demolition screw, 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...
10 月-16-2018
There are many types of safety screws. Do you know how to unscrew security screws? The Shishitong screw factory specializes in the production of safety screws and has 20 years of production experience. I will talk to you today about how to unscrew security screws. General anti-theft screws will b...
10 月-16-2018
Now that mobile phones have become a part of people’s lives, friends who have removed their mobile phones know that they use a lot of small screws in their mobile phones. Is the number of screws in this mobile phone related to the quality of mobile phone screws? There are a lot of small sc...
10 月-16-2018
DIN 7985 1990 phillips pan head machine screw standard: DIN7985 ISO7045 , Thread dia : M1-M12 , Length: 1.5mm-1900mm; Materials: Stainless steel A2 A4 / Carbon Steel / Brass / Aluminum / Copper / TA2 Pure Titanium; Surface treatment: stainless steel nature color, passivation, dacro, carbon steel...
10 月-16-2018
The shoulder screw tolerance is also standard. What is the difference between the tolerance of the shoulder screw tolerance of the ordinary screw? Let’s first understand what a tolerance is. Tolerance is the allowable variation in the actual parameter values of a machine or machine part in...
10 月-15-2018
Different types of screw threads for screw can be divided into two categories: mechanical thread and self tapping thread. In fact, there are many kinds of subdivision. Different types of screw threads – mechine screw also include BSW machine screw 2A Q(55°), Coarse thread M/M machine...
10 月-15-2018
NO 4 . Screws dimensions include no 4 self tapping screw dimensions and diameter and no 4 machine screws dimensions and diameter . No 4 self tapping screw dimensions and diameter include #4-24 TAPPING SCREW TYPE A and #4-24 TAPPING SCREW TYPE AB.(B). no 4 machine screws dimensions and diam...
10 月-15-2018
There are many standard screws, depending on the country, the standard number is called the same. So what is the difference between the shoulder screw chart and the standard number? ISO7379 Cap Head Hexagon Socket Shoulder Screw Chart d1 f9 d2 l1 +0,25 d3 l2 l3 A/F 4 M 3 4 5 6 8 10 12 16 20...
10 月-12-2018
Metric shoulder screw sizes. The Shi Shi Tong screw factory specializes in the production of shoulder screws, and the factory that produces high quality shoulder screws is looking forward to cooperating with you. What size should I measure for the production of metric shoulder screws? The so-cal...
10 月-12-2018
You can buy a lot of hardware tools outside the hardware store when our screws are stripped. If you don’t know what tool you can use to remove the screw of the stripped, you can ask the manager and the manager will tell you which one to use. Or you can search on Baidu or Google, there are m...
10 月-12-2018
Do you know how small the miniature screw sizes? Friends who like watches know that watches are very precise things. The screws used on watches are also small screws. Do you know the miniature screw sizes? Tell everyone a story and you know how precise the miniature screw sizes are. Recently, I h...
10 月-11-2018
Flat head machine screw size chart DIN have flat head screws has slotted flat head screws, phillips flat head screws, hexagon flat head screws, torx flat head screw and so on. Its head diameter and head height are standard to query, if you need to customize flat screws, you can contact Shenzhen S...
10 月-12-2018