Vit CBN Wheel for Face Grinding Steel Part Application: face grinding steel part in auto industry Size: 250 * 40 * 12 * 10 Type: 6A2 CBN cup wheel Bonded: Vitrified bonded Grit Size: CBN126 Vit CBN Wheel for Face Grinding Steel Part Application: face grinding steel part in auto industry Size: 250 * 40 * 12 * 10 Type: 6A2 CBN cup wheel Bonded: Vitrified bonded Grit Size: CBN126 Application Of Vit CBN Grinding Wheel Vitrified cbn wheel is used for face grinding (Ra 0.2 finish ) steel part in automotive industry. The hardness of workpiece is 57HRC and stock removal is 0.06mm+- 0.015.