Molycop manufactures SAG balls, equal or larger than 3.5 inch or 94 mm and smaller than 6.25 inch or 160mm. Common nominal sizes are 3.5, 4.0, 4.5, 5.0, 5.25, 5.5, 6.0 and 6.25 inch or 94, 105, 115, 125, 133, 140, 150 and 160mm. The tolerance for the mass of ... All images and content, trademarks or registered