Item Type: 4 Fultes End Mill Material: Tungsten steel Model: 4 x 50 x 4T Blade Length: Approx. 10mm / 0.4in Shank Diameter: Approx. 4mm / 0.2in Blade Diameter: Approx. 4mm / 0.2in Total Length: Approx. 50mm / 2in 1Full grinding makes a strong guarantee for the service life of the milling cutter, and the cutting sharpness has a longer service life. 2The 4 fultes end mill uses micro?grain tungsten steel base material, which has higher wear resistance and strength. 3This product is an exclusive milling cutter for high-strength high-speed cutting applications. 4The cutting edge of this CNC cutting mill is acute and the exterior is free of burrs. 5Using ultra?fine carbide materials can ensure its engraving and milling performance.3 xMilling Cutter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.