Knowledge

The earliest rivets were small pegs made of wood or bone, and the earliest metal deformation body may be the ancestor of the rivets we know.

Commonly used are R-shaped rivets, fan rivets, pop rivets (pop rivets), tree rivets, half-round heads, flat heads, half-hollow rivets, solid rivets, c

In this case, tooling can be made. For example, first screw the small rod into the inner hole of the nut, weld the small rod to the flat plate, and th

Copper nuts made of various embossed wire rods (generally lead brass, such as H59, 3604, 3602). The embedded knurled copper nuts we contact with every

The working principle of nut is self-locking by friction between nut and bolt. However, the reliability of this self-locking will be reduced under dyn

Easy to install
entirety
No washer required
Easy to disassemble

Nuts are parts that closely connect mechanical equipment. Nuts and bolts of the same specification can be connected together through the inner thread.

Iron screws are easy to rust in wet environment. In order to prevent the screws from rusting, the screws need to be moisture-proof and moisture-proof.