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1. Use two same nuts to tighten the same bolt, and increase the tightening torque between the two nuts to ensure the bolt connection. 2. The lock n...

1. The attachment of dust or foreign metal particles, in the humid air, the attachment and the condensed water of the stainless steel screw connect...

There are many factors that negatively affect the performance of fasteners, such as: bending force, corrosion, hydrogen embrittlement, joint moveme...

The lock nut is easy to install and can be reused. Precision machinery self-locking nuts with copper pins are widely used in machine tools, enginee...

Analysis of the reasons for the rust of self-tapping screws: 1. The problem of electroplating process. When the electroplating factory is electropl...

1. It has been corroded and the hardness is not enough, which will cause the thread of the self-tapping screw to not work, so it is necessary to re...

Analysis of the reasons for self-tapping screws slipping: 1. The surface hardness of self-tapping screws is too low. The thread of the self-tapping...

Cause Analysis: 1. The material or structure of the self-tapping screw is defective, such as excessive internal stress of the material, excessively...

1. The load of the countersunk head screw in the tightened state is greater than that of the cross pan head screw. 2, countersunk head screws are o...

1. The surface of the stainless steel screw adheres to the organic juice (such as melon, vegetable, noodle soup, sputum, etc.), which forms organic...

Self-tapping screws are mostly used for the connection between thin metal plates. The thread is an ordinary thread with an arc-shaped triangular cr...

Tapping screws are often used for connection between thin metal plates. The difference between it and the ordinary self-tapping screw is its ordina...