440C Stainless Steel Ball High Precision solid Bearing Balls Diameter 20-95mm
●Material : 440C (9Cr18Mo). 440C Stainless Steel Ball Hardness To 58-60 °, Magnetic, Good Corrosion Resistance, Acid Resistance And Wear Resistance. 440C Stainless Steel Balls Are Usually Used In Industries With High Precision And Corrosion Resistance.