Enterprise Name: CHENGDA MODEL SET
Contact person: Business Department
Mobile phone: 198-5734-5006
Address: 39 Success Road, Jiashan Economic Development Zone, Zhejiang Province
Websit : en.chengda-mould.com
Bolts of die manufacturers: mechanical parts, cylindrical fasteners with threads with nuts. A type of fastener consisting of a head and a screw (a cylinder with external threads) is required to be fitted with a nut to fasten and connect two parts with through holes. This connection form is called bolt connection. If the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to the removable connection.
Bolt: A type of fastener consisting of a head and a screw (a cylinder with external threads). It needs to be matched with a nut to fasten and connect two parts with through holes.
Because bolts are also a kind of railway fittings, railway fittings are part of railway lines. The rails referred to here include rails, sleepers, connecting parts, ballasts, anti-creep equipment, rail braces and turnouts.
As an integral engineering structure, track laying on the roadbed plays a guiding role in train operation, directly bearing the huge pressure of locomotives and vehicles and their loads. Under the dynamic action of train operation, its components need to have enough strength and stability to ensure that the train runs safely, smoothly and uninterruptedly at the prescribed speed.