[HIGH EFFICIENCY] The offset screw fastening design ensures the blade position slot and blade fit closely, enhancing rigidity and delivering excellent processing results. This face mill cutter is built for stable performance and superior workmanship, making it ideal for high-speed milling operations on tough materials. [DURABLE CONSTRUCTION] Crafted from high-quality high carbon steel, this face mill cutter undergoes quenching and hardening treatment to achieve exceptional hardness. Its robust construction ensures long-lasting durability even under heavy-duty machining conditions. [QUALITY ASSURANCE] Every product undergoes strict factory supervision and quality control before leaving the facility. Built to meet standard specifications, this milling cutter guarantees reliable performance you can trust for precision machining tasks. [OXIDATION RESISTANCE] Featuring advanced thin coating technology, the BAP400R-80-27-6T Right-Angle Milling Cutter offers excellent oxidation resistance while maintaining a appearance. This protective coating extends tool life and maintains cutting performance. [PRECISE SPECIFICATIONS] The 400R Milling Cutter Model features an 80mm (3.1in) diameter with 6T edges and a 27mm (1.1in) inner diameter cutter head. Its composite structure type ensures optimal performance, and it comes complete with a screwdriver for convenient setup and adjustments.