The hex set screw and nut keep objects together by means of friction and takes place when the nut is tightened, thus compressing everything together. To tighten the nut requires a tool of some sort, like a socket and wrench or a spanner.The Set Screw The Set Screw Stainless Steel is driven through a threaded hole in the rotating part until it is tight against the shaft. The Gutter Bolt all purpose fastening. Ideal for fastening metal sheeting to metal and also ideal for gutter installation.
