Screw and nut sets or nuts secure brackets and other accessories to rails.

With a slim base and a short barrel, these weld nuts fit in tight spaces, such as channels, and in low-clearance areas.

Projections on the base concentrate the weld and create space for heat to dissipate, protecting the threads on these weld nuts from deforming. Made of 18-8 stainless steel, they withstand mild chemicals and can be used in wet and outdoor environments.

An offset barrel allows you to position threads near edges and corners.

To protect their threads from deforming, these steel nuts have a projection that concentrates your weld and creates room for heat to dissipate. An offset barrel lets you position threads near the edges and corners of uncoated steel sheets.