6-Piece Cost-Effective Set: Includes 6 essential sizes (1/8", 3/16", 1/4", 5/16", 3/8", 1/2") to handle delicate to heavy-duty milling tasks, eliminating the need for individual purchases.
AITiN Coating: Features AITiN coating with thermal hardness (>800°C) and oxidation resistance, tripling tool life in high-speed machining.
HRC45 Hardened Core: Engineered with HRC45 high-rigidity steel for impact resistance, ideal for slot milling, side milling, step milling, and drilling under heavy loads.
4-Flute Design: Precision-ground 4-flute geometry ensures efficient chip evacuation, reduced vibration, and smoother surface finishes on steel, cast iron, and alloys.
Compatibility & Reliable Brand: Backed by XYunEnZ's strict QC (±0.001" tolerance), these end mills deliver professional-grade performance across diverse metalworking applications.