Because of the important role of flange nut in fastening, it is an indispensable part in application. These types have their unique advantages and disadvantages, which make them suitable for specific applications. We will conduct an in-depth discussion on the importance of flanged nuts, examine t...
The thread on the outer hexagon screw is generally fine tooth common thread, and the ring tooth common thread outer hexagon screw has good self-selling property, which is mainly used on thin-walled parts or under impact, vibration or alternating load.
Generally speaking, the outer hexagonal screw...
1. The surface roughness is less than turning, milling and grinding.
2. The strength and hardness of the rolled thread surface can be improved due to cold work hardening.
3. The utilization rate of materials is high, the productivity is much higher than that of cutting, and it is easy to realize ...
On April 9, more than 30 people from Jiashan County, Shenzhen City, Dongguan City and Yangjiang Fastener Industry Association visited Yongnian District of Handan City to inspect the development of the fastener industry. Chen Tao, mayor of Yongnian District, Wang Hua, deputy mayor of Yongnian Dist...
In the process of stamping and producing metal molds, the phenomenon of poor stamping must be analyzed in detail and effective countermeasures must be taken.
The causes and countermeasures of common stamping defects in production are analyzed as follows, for the reference of mold maintenance per...
1. Vibration.
When the screw is rusty, it is not allowed to be forcibly removed with a wrench. Tap the screw with a wrench, break the sundries in the rusty position, turn the screw left and right with the wrench, and then you can remove the screw. Was dismantled.
2. Fire.
If the screw is seriousl...
Sometimes we find that the fasteners fixed on the machine are rusted or dirty. In order not to affect the use of machinery, how to clean fasteners has become a very important issue. The performance protection of fasteners is inseparable from cleaning agents. Only by cleaning and maintaining faste...
In the past 10 years, the technological improvement of my country’s fastener manufacturing technology in the process of cooperation with foreign equipment has been invisible. my country’s fasteners occupy a pivotal position in the global fastener industry. However, there is still a bi...
The allen bolt is round. There are many kinds of hexagon socket bolts. It is divided into carbon steel and stainless steel according to material. Hexagon socket head screws, also known as half round head hexagon socket head screws. The countersunk hexagon bolt has flat head and hexagon. Another k...
On October 24, the General Administration of Customs released data showing that in the first three quarters of this year, China’s import and export of goods totaled 31.11 trillion yuan, up 9.9% year on year.
The proportion of import and export of general trade increased
According to custom...
High quality raw materials are the basis for producing high quality fasteners. However, many fastener manufacturers’ products will have cracks. Why does this happen?
At present, the common specifications of carbon structural steel wire rods provided by domestic steel mills are φ 5.5- φ 45, ...
High quality raw materials are the basis for producing high quality fasteners. However, many fastener manufacturers’ products will have cracks. Why does this happen?
At present, the common specifications of carbon structural steel wire rods provided by domestic steel mills are φ 5.5- φ 45, ...