A Basic Introduction To Bolts

Bolt: A type of fastener consisting of two parts, a head and a screw (a cylinder with an external thread), which needs to be matched with a nut to fasten and connect two parts with through holes.

Because bolts are also a kind of railway accessories, railway accessories are a component of railway lines, and the tracks referred to here include rails, sleepers, connecting parts, track beds, anti-climb equipment, rail supports and turnouts.

As a monolithic engineering structure, the track is laid on the roadbed, plays a guiding role in the operation of the train, and directly bears the huge pressure of the rolling stock and its load. Under the power of train operation, its various components must have sufficient strength and stability to ensure that the train runs safely, smoothly and uninterruptedly in accordance with the specified maximum speed.