Choose the Best Grinding Steel Balls for Your Ball Mill | Fote Machinery
In addition, the steel grinding balls of the ball mill are constantly worn out during operation. ... Generally, the diameter of steel balls for sale is between 20mm and 125mm. 1. Small steel balls: 40mm or 60mm. 2. Medium balls: 80mm. 3. Large steel balls: 100mm or 120mm. 4. Super large balls: 130mm to 150mm.