Tungsten Carbide Four Flute Square End Mills for Hardened Steel

Tungsten Carbide Four Flute Square End Mills for Hardened Steel. Hardened Steel Capability: Designed for hardened steel with HRC65 hardness and 0.005mm precision. Customized Size Accepted: Full customization available based on client drawings and workpiece requirements. Blue Nano Coating: Features heat-resistant HELICA coating for high-speed processing and durability. Spiral Tooth Design: Special cutting edge and smooth wide flute ensure easy chip removal and longer tool life. Wide Material Compatibility: Suitable for hardened steel, carbon steel, mould steel, stainless steel, and titanium alloy. Free Sample Available: Free samples provided when clients agree to cover shipping costs. First Order Discount: New clients receive a USD50 discount coupon for orders over USD500. 24-Hour Online Support: Fast feedback service with immediate replies to technical and market questions.