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Screw
2020/07/03

The screw is a tool to fasten the object's mechanical parts step by step by using the physical and mathematical principles of the oblique circular rotation and friction force. Screw is the general

Plum blossom screw with column
2020/07/03

The official name of plum screw is iso10664 screw or internal plum screw, also known as star screw. It is a kind of screw fastener developed and listed in 1967 by Conrad Textron company. Because Kangj

Definition and brief introduction of British combination screw
2020/07/03

Before we often said that the combination screw, generally refers to our own standard in China, that is, the national standard combination screw. Today, we are going to talk about the English combinat