Features: Engineered for high speed machining, this 2 flute 55° ball nose end mill delivers exceptionally HRC55 hardness cutting performances with 30% enhanced wear resistance compared to conventional tools, ensuring prolonged durability in demanding operations. Crafted from premium 0.6μm particles and processed with advanced passivation technology, the precise ground cutting edged eliminates burrs while maintaining corrosions resistance for consistent, smooth finishes in steel and cast iron workpieces. Ideal for manufacturing professional requiring reliabled performances in metalworking industries, particularly those handling hardened steels, mold making, and precise engineering applications. Optimized for engraving equipment, and machining centers, it exceling in contouring and finishing operations on 55HRC grade steels or general purpose steel components. This industrial grade end mill withstands intensive workshop environments while delivering professional accuracy for critical machining tasks. Specifications: Number of blade : 2 blade Size:As Picture Shown Cutting hardness: HRC55 Coating: Pilates NACO4 coating Usage scenarios: machining center Package Includes: 1pcs Milling Cutter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.