The basic types of thread connection fittings

　　The basic types of thread connection fittings

　　Bolt connection

　　A gap between the bolt part and the hole is connected with the common bolt, and the processing precision request of the rod and the hole is low. When using the screw nut, capable of bearing axial and transverse loads. Common bolt connection, easy to install and easy to use, the most widely used. There is no gap between the bolt and the hole, which is connected with the hole of the hole. The processing precision of the rod and the hole is high, and can accept the lateral loading and positioning.

　　Double headed stud connection.

　　Screw on both ends are provided with screw threads, and one end of the nut with at one end and is connected with a at one end and is connected with a, this convergence is to be connected one thick and often dismantled place, demolition, just unscrew the nut.

　　Screw connection

　　Screw is not fit to have a nut, screw a person directly in the threaded hole, the structure is simple, but it is not always easy to remove, so as to avoid damage to the hole thread.

　　The locking screw connection

　　The locking screw is screwed into a cohesion is a pit in, and at the end of its top in another connection pieces of clothing surface or pre made in the pits, two parts are relatively fixed. This connection is often used to transfer the power of the parts and the rotating shaft together, to avoid the relative displacement of two parts.

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