Mitsubishi Materials has changed the stock status of coated cBN grade BC8020 from non-stock to stock standard. This includes 31 specific geometries that can handle severe turning applications in hardened steel. Inserts offered in GA style hone, BC8020 is designed for applications that are unstable or interrupted cutting. Coated cBN grade BC8020 is our first recommendation for more severe applications, where chipping may occur with current coated cBN grades. BC8020 exhibits excellent tool life in stable applications also, the company reports.