These nuts are designed specifically for applications using socket products, with a 12-point socket for easy hex engagement. They provide ready tapped holes and can replace worn or stripped threads. Use for free or anchored position applications. Available in heat treated steel or austenitic stainless steel. Screw sizes from #4 to 1", body diameters from 0.187" to 1.533", heights from 0.179" to 1.532, and socket sizes from 1/8" to 1".