Profile: United States Ball Corp. is a precision ball manufacturing plant where we utilize all materials including stainless steel balls, brass, titanium balls, chrome steel balls, 440C, 316, 302, 304, monel, K-monel, inconel balls, alloy 20, and hastelloy balls. We manufacture balls as small as .005 inches, and as large as 12 inches in diameter. We drill and tap balls, including balls with holes through them, and balls with blind holes. We manufacture gages including weight standards, ball gages, go/no-go gages, and spherical masters. Additionally, we provide spherical grinding and lapping services. We lap balls, partial spheres, and spherical seats. We have equipment to perform on-line leak tests, and to inspect the roundness and surface finish of spherical surfaces. We manufacture valve balls from a wide variety of materials depending on the application.