Check the listing for details. Solid Carbide AlTiSin Coated 2 Flute Square End Mill 0.5mm x 3mm x 4mm x 50mm. Condition: New. Listed at 17.09 USD. Specifications:Cutting Diameter: 0.5mm / 0.02"Effective Cutting Length: 3mm / 0.12"Cutting Edge Length: 2mm / 0.08"Shank Diameter: 4mm / 0.16"Overall Length: 50mm / 2"Material: Tungsten CarbideFinish: AlTiSin CoatedCutting Hardness: HRC60End Cut Type: Square EndPackage Content: 1pcs x Square Nose End MillDescriptions:Made of grain carbide, the end mill cutter has high hardness (HRC92), high strength, and wear resistance. With good milling and cutting performance, carbide can run at higher speed than high-speed steel. The passivation treatment greatly increases corrosion resistance and wear resistance.Suitable for cutting stainless steel, carbon steel, malleable cast iron, alloy steel, die steel, tool steel etc..