1/2" Capacity Standard Rivet Nut Tool Kit. Heavy-duty rivet nut installation tool includes nose assemblies for 8-32 through 1/2"-13 rivet nuts. The spin-pull-spin actuation principle allows for quick repeatable installation in a production environment. Supplied in a blow-molded case with 8-32, 10-24, 10-32, 1/4"-20, 5/16"-18, 3/8"-16, 1/2"-13 mandrels.