T-Nut for 4040 Aluminum Extrusion Profile 

Made of high-quality carbon steel, Zinc plated Finished  T-slot Nuts are inserted into the aluminum profile grooves to connect one profile to another or to secure components to profile structures, allowing a clamping force for the screw in the groove. An essential for working with slotted aluminum extrusion, these slim metal nuts slide into the side-slot of  40x40 Aluminum extrusion.

Carbon Steel Nut Stainless Steel Nut Stainless Steel Bolts Carbon Steel Bolts Screws