Alloy ball: Diameter: 2. 0- 50. 8Grade: 100- 500. Non- standard orders are acceptable. The alloy ball with good toughness and wear resistance is widely applied in the hole of product, stretch extrusion, stationary, bearings, grinders, valves, seals, instruments & meters, aero- space and aeronautical lines and other high precision mechanical parts. And the surface is smooth.
