Commonly used in furniture as a blind nut, they are also used in rail channels to prevent turning of rail when pressure is applied. They are also used as a perfect foundation in metal channels for hidden fasteners. Square bolts are now most commonly used for aesthetic purposes to provide a rustic look in a new structure or to match existing fasteners in an older structure. Square lag screws are also used for these purposes. Crossarm or machine bolts are commonly supplied for the utility industry and included an added cone point.
