This t-nut is made out of 18-8 stainless steel with a stainless finish and is compatible with our 10 Series extruded aluminum profiles or 1.0" based t slot aluminum extrusion. Used with a 1/4-20 bolt to mount joining plates, brackets, or other t-track accessories. Works great for our 1010, 1020, 1050, 2020, and many 1.0" based extrusions. This t-nut measures .443 x .124 x 0.765 - 1.015 inch long and works great as mainstay piece of your home improvement arsenal. Works with many other competitor's extruded profiles. The centered thread of the slide-in economy T-nut lends itself to connections towards the middle of a profile or with a flat plate. This nut loads from the profile ends and has a pilot thread projection that adds additional threading for increased strength. The slide-in economy T-nut with centered thread is a cost-effective fastening option available with options in size, material, thread, and finish. It loads from the profile ends and has a pilot thread projection that adds additional threading for increased strength. The centered thread of the slide-in economy T-nut lends itself to connections towards the middle of a profile or with a flat plate.