Tipped CBN turning inserts are the welded CBN tip with carbide body,they used for turning hardened steel,bearing steel,alloy cast iron and other workpiece or cutting conditions that required both cutting efficiency and good surface roughness after machining,we take use imported CBN material to guarantee the cutting performance with good surface roughness.CNGA,CCGW,DCGW,DNGA,VNGA and more CBN inserts available.