Feature:1. This ball end mill is widely used for engraving, drilling, milling, cutting and engraving of hardwood, plywood, acrylic, plastic fiber, resin, PCB and other materials.2. The spiral ball end mill is particularly suitable for 3D relief and complex 3D engraving.3. This 2‑blade spherical nose spiral drill bit, used for carving and carving curved surfaces, easy to remove chips.4. The nano-blue coating of the milling cutter increases the hardness, thereby prolonging the service life, and the drill bit is more durable and wear-resistant.5. Cutting edge is acute, the exterior is free of burrs, and the superfine hard tungsten steel material can ensure its engraving and milling performance.Specification:Item Type: Spiral Ball End MillMaterial: Tungsten steelColor: BlueTotal Length: Approx. 50mm / 2inHandle Diameter: Approx. 3.175mm / 0.1inToughness: Approx. 25mm / 1inDrill Diameter: Approx. 3.175mm / 0.1in Package List:1 x Spiral Ball End Mill