Thomson specializes in chrome steel balls and stainless steel balls. They also manufacture precision balls in a range of other materials and non-standard configurations, including distinctively shaped balls, drilled balls, coated balls and hollow balls, to satisfy the unique demands of specific applications. A drilled precision ball bearings solution with a full range of sizes, hole depths, diameters and materials. Coated balls are used to improve the physical properties of precision balls. The hollow balls are designed for weight sensitive applications like aircraft ball transfer units, liquid float systems and custom valves.