PcBN Inserts Overview PcBN Grades for Hard Turning, Powder Metal, and Grey Cast Iron Machining • PVD-coated grades available. • Complete range of CBN grades for continuous to heavily interrupted turning. • Industry-leading grades for grey cast iron machining. • Full line of grades for hard turning. • For best performance: solid, full-top, and tipped inserts are available. Hard Turning Grades Low-Content CBN Medium-Content CBN High-Content CBN Grades for Fine Finishing Grades for Continuous to Grades for Heavily in Continuous Cutting Interrupted Cutting Interrupted Cuts WBH10P™ • PVD-coated low-content grade. • Coating provides thermal barrier to reduce crater wear. • High temperature resistant ceramic binder improves high-speed capability. WBH10P WBH25P™ • PVD-coated medium-content grade. • Coating provides thermal barrier to reduce crater wear. • Withstands moderate interruptions. WBH25P WBH30P WBH30P™ • PVD-coated high-content grade. • Superior abrasion-resistance. • Withstands heaviest interruptions. toughness Grey Cast Iron Grades WBK40U™ • Uncoated high-content grade, solid inserts only. • Superior abrasion-resistance enables high material removal rates. • Withstands heaviest interruptions. WBK40U toughness B168 widia.com wear resistancewear resistance