ITEM NAME:2x4Dx50mm Milling Cutter Wear-resistant Flat-end Tungsten Steel HRC45 New Description: Made of Tungsten steel, high hardness, durable. High abrasion resistance, long life use. 3 Flutes, high rigidity, widely used in shallow slot, profile milling, and finish machining. Applicable materials: alloy steel, tool steel, quenched and tempered steel, carbon steel, cast iron, heat-treated quenched steel. Performance characteristics: suitable for roughing. High processing efficiency. Good chip removal performance, large chip removal. High metal cutting rate. Specification: Material: Tungsten steel Size: 2x4Dx50mm Package Includes: 1 Piece Milling Cutter Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand..Size: 2x4Dx50mm. 3 Flutes, high rigidity, widely used in shallow slot, profile milling, and finish machining. 1 Piece Milling Cutter. Made of Tungsten steel, high hardness, durable. Material: Tungsten steel.