ITEM NAME:9pcs/Set YW1 Carbide Brazed Tip Tipped Lathe Cutter Tools 8x8mm Shank High C4F6 9pcs/Set YW1 Car.Tool bit material: YW1 Alloy. Applicable machine tool: Lathe. Shank: approx. Structure type: welding type. Suitable for heat-resistant steel, high manganese steel, stainless steel and other difficult to process steel and ordinary steel and cast iron processing.