The heads of common non-standard screws are generally hexagonal grooves or cross grooves, but now t...

In the past 10 years, my country's fastener manufacturing technology has been intangible in the pro...

In the manufacturing process of precision stamping parts, a very important mechanical property is t...

Screw is an incorrect name, which is a general term for threaded parts by non-professionals, and th...

Method 1. Tap to help loosen the rusted screws and nuts During the use of the screw and nut, if the...

1. Thickened nut Some people often mistakenly believe that thickening the nut can increase the numb...