Keep the artifacts tightly connected
The overall structure of the bolt is mainly composed of a screw and a head, with external threads on the screw. Its working principle is based on the engagement of the thread, and the connection function is realized by matching with the nut or directly screwing into the part with internal thread. The head of the bolt has a variety of shapes, common hexagonal head, square head, sink, etc., different head shapes are easy to use different tools for operation, such as hexagonal head bolts suitable for tightening with a wrench. The size specifications of bolts are rich, including different diameters, lengths and pitch, etc., to adapt to a variety of connection needs, to ensure the fastness and reliability of the connection, is an indispensable part of many mechanical equipment, building structures and other stable operation.
Flat head bolt
Flat head bolt is an important member of the bolt family.
From the appearance, its head is flat, and this design allows it to maintain a relatively flush state with the surface of the connected part when assembling. In terms of function, flat head bolts are mainly used for occasions where the bolt head is not protruding or protruding as little as possible on the connection surface. For example, in some equipment shell assembly with high appearance requirements and smooth surface, flat head bolts can avoid unsightly problems caused by bolt head protrusions or hinder the installation of other components.
Countersunk bolt
Countersunk bolt is a specially designed fastener in the bolt family.
The head is conical or flat conical, which enables the bolt head to sink under the surface of the connected part after assembly, so as to keep the surface smooth and smooth. In terms of function, countersunk bolts are mainly used in assembly scenes that have high requirements for surface smoothness. In the connection principle, the countersunk bolt is the same as the ordinary bolt, which is matched with the nut or the internal thread hole through the external thread on the screw, and the fastening force is generated after tightening to connect two or more parts.
Hexagon socket bolt
Hexagon bolt is a kind of fastener widely used in mechanical assembly and connection.
The head is a hexagonal pit, and this unique hexagonal design requires the use of a specialized hexagonal wrench for operation. In terms of function, hex bolts have some advantages over other bolt types. Due to the tight fit between the Allen wrench and the bolt head, torque can be better transferred during tightening, so that the bolt can be tightened more accurately. Moreover, the head of the hex bolt is relatively small and can be inserted into the surface of the connected part, which is very advantageous in some assembly where space is limited or the appearance needs to be kept simple.
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