| 摘要 |
The present invention relates to a multi-stage bolt socket integrating a plurality of sockets of different sizes capable of performing bolting work, thereby eliminating the need to replace sockets when connecting or disconnecting two or more bolts having different diameters. In order to improve upon drawbacks of the conventional multistage socket, i.e. drawbacks of sub-sockets being idle, and the inability of integrating three or more sockets, there is provided a multi-stage bolt socket wherein the smallest socket among sockets having different sizes is used as a main socket, and the relatively larger sockets are sequentially fitted on the main socket, the integrated sockets are constituted so as to easily rise and fall while maintaining a constant interval by the elastic force of a spring, and the sub-sockets are integrally constituted to rotate without idling with respect to the main socket, so that it is possible for more than three kinds of sub-sockets to be momentarily displaced.
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