Engineered for machining medium-hardness materials like steel, brass, and iron, this extra-long end mill features a large core diameter to provide superior rigidity and reduced deflection. The specialized cutting geometry enables rapid stock removal for general-purpose milling, including profiling, open-ended slots, and keyways.

• High Speed Steel construction for durability in medium-hardness materials
• Extra long 4.25 in. length for deep reach applications
• 4-flute design optimized for rapid stock removal
• Large core diameter increases rigidity and minimizes deflection
• Center cutting geometry suitable for profiling, slots, and keyways