Tungsten Steel Single Flute Spiral Milling Cutter CNC Router Bit with Nano Blue Coating for Precise Engraving Cutting and Shaping on Wood Metal Plastic 4mm Shank 8mm Blade 40mm

Item Type: Milling CutterSpecification: 4 x 8 x 40Material: Tungsten steelCoating: Nano blue coatingShank Diameter: Approx. 4mm / 0.2inHead Diameter: Approx. 4mm / 0.2inBlade Length: Approx. 8mm / 0.3inTotal Length: Approx. 40mm / 1.6inPackage List：1 x Milling Cutter

• [PRECISION ENGINEERED SINGLE FLUTE DESIGN] Our spiral milling cutter features a carefully optimized single flute geometry that delivers superior cutting precision and smooth operation. The innovative design reduces vibration while maintaining excellent chip evacuation, making it for detailed engraving work on various materials.
• [ULTRA-DURABLE TUNGSTEN STEEL CONSTRUCTION] Manufactured from premium tungsten steel alloy, this cutter offers exceptional hardness and wear resistance. The high-quality material maintains sharpness through extended use and resists heat buildup, ensuring consistent performance even during prolonged cutting sessions.
• [ADVANCED NANO BLUE COATING TECHNOLOGY] The cutting is protected by our proprietary nano-blue coating that significantly reduces friction and prevents oxidation. This special treatment extends tool life by up to 40% compared to standard cutters while improving cutting smoothness and surface finish quality.
• [MIRROR-POLISHED HIGH EFFICIENCY BLADE] Each cutter undergoes precision mirror grinding to create an ultra-smooth cutting surface. This meticulous finishing process enhances chip flow, reduces cutting resistance, and produces cleaner cuts with minimal burrs for professional-grade results every time.
• [VERSATILE MULTI-MATERIAL COMPATIBILITY] Designed for CNC routers and milling machines, this versatile cutter handles wood, aluminum, plastics, and soft metals with equal precision. The balanced design ensures stable operation at high speeds, making it ideal for both industrial applications and serious hobbyist projects.