Product Details: The OSG Double End Cobalt Square End Mill is precision-crafted with high-performance cobalt, offering exceptional wear resistance in even the toughest cutting conditions. Its innovative double-ended design provides two cutting surfaces per tool, maximizing value and efficiency. The square end is perfect for achieving precise, sharp corner cuts essential for detailed machining. Ideal for milling a diverse range of materials, including steels and cast iron, it is engineered for superior heat dissipation to minimize tool degradation. A standard helix angle ensures smooth chip evacuation, enhancing its durability and prolonging its life.