There are two types of pins: cylindrical and conical. The pin is usually installed by pressing in or tapping in with soft metal. A pin, usually a conical, pointed or pointed wood or metal pin, used to fasten or fasten or mend holes. Pin plays an important role in the connection of mechanical parts.
Pin is a kind of standardized fastener, which can not only be static fixed connection, but also make relative movement with the connected parts. It is mainly used in the hinge joint of two parts to form hinge connection. The pin is usually locked by a split pin, which is reliable and easy to disassemble.