1. MATERIAL: This milling cutter set is made of tungsten steel material with stable performance and long service time. The use of ultrafine particles of tungsten steel material ensures wear resistance and strength, making it for allround milling applications. 2.TOUGH AND DURABLE: With its toughness and good wear resistance, this carbide end mill set is specially designed for speed cutting. It can save you time and effort, allowing for efficient and precise machining. 3.COATED BLADE FOR PRECISION: The blade of this carbide end mill set is coated, making it ideal for speed roughing of hot materials. It allows for fine processing and reduces the need for frequent tool changes. 4.VERSATILE APPLICATION: This carbide end mill set is mainly used for machining aluminum, copper, carbon steel, die steel, alloy steel, castings, and other metal materials. Its versatility makes it suitable for various working conditions.