Carbon steel balls for light-to-medium loads, bicycle bearings, power plant ball mills, mineral processing, furniture slides, casters and hardware. The category includes low-carbon soft balls and high-carbon hardened balls, from 0.5 mm iron microspheres to larger cast iron equivalents. Kangda lists threaded, magnetic and perforated balls, including drilled balls from 6 mm to 25.4 mm. Other products include 6.35 mm to 25 mm bicycle bearing balls, low-carbon grinding balls, 0.4 mm to 10 mm ductile iron granules, and AISI 1010 or AISI 1015 balls.