Bolts and screws are our common connection fasteners, which mainly play the role of connection and fixation in various fields and equipment.

Screws and nuts are also common fasteners in our daily life, but rust is also a common problem of screws and nuts, and being able to easily unscrew rusted screws and nuts is the way we all want to know, here, I will share with you about the rusted screw and nut, no matter how serious the rust is, ......

The so-called hexagon socket head bolt refers to the cylindrical head is in the shape of a hexagon socket, which can also be called a hexagon socket head screw, a hexagon socket head screw and a hexagon socket head screw. Advantages of using hexagon socket bolts

There are many types of lock nuts, such as nylon nuts, flange nuts, etc. In a word, this kind of lock nuts plays a role in preventing loosening.

The Greek mathematician Arkutas once described the principle of the screws. In the first century AD, the Mediterranean had begun to use wood screws in screw presses, which could press olive oil from olives and make wine from grapes.