U Type Bolts
Join hardware is mainly applicable for assembling the suspension insulators to string, and it is also used in connecting one or several strings insulators and then suspension on one pole arm of perch. The join hardware is also used in the connection between suspension clamp and dead end clamp, the connection between stay wire and perch. According to the conditions of using, it can be divided into two major kinds, one is the special join hardware, which is directly used in connecting the insulators, so the structure and dimension of connection part should be the same to the insulators, the other is the universal join hardware, which is applicable for connection under all kinds of condition, and its level is divided according to its load, the hardware are interchangeability if they are the same load.
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