Materials Steel (chrome, carbon, stainless), brass, tungsten, carbide, bronze, aluminium balls... The synthetic ball line includes Delrin, Nylon, PP, PE, PUR, PTFE, acetal, phenolic resin, polyester, polystyrene, elastomers (e.g. PUR, Torlon, EPDM...), NBR, SBR, ceramic, glass... Diameters / tolerances The full line is available in both imperial and metric sizes, to AFBMA or DIN 5401 tolerances. Types Full or hollow balls, floating, abrasive or magnetic balls, coated, coloured or transparent balls. Finishing Ground, polished, drilled balls; engraved or silk-screened ball Applications Pumps, sprays, aerosol cans, agitators, sliding systems, bearings, grinding, polishing, valves, cosmetic, decoration, tracks, …