Turning insert with advanced PVD-AlTiN-coated grade with a tough, ultra-fine-grain unalloyed substrate. For general-purpose machining of most steel, stainless steel, high-temperature alloys, titanium, irons and non-ferrous materials. Speeds may vary from low to medium and will handle interruptions and high feed rates. inserts are the first choice for I.D. turning of all materials and O.D. turning on small to medium lathes. Available in ﬂat top and chip control geometries with both moulded and ground peripheries. Suitable for all workpiece materials.