Omega Products ER25 Axial Tool Head - Internal Nut - Through Coolant - DIN5480Omega Products Axial Tool Heads Internal Nut Through Coolant DIN5480 are precision engineered cutting tools designed for high performance machining applications. These tool heads feature an internal nut design, ensuring secure and precise tool clamping. The DIN5480 standard guarantees compatibility with a wide range of machines and tooling systems, offering flexibility and ease of use. The through coolant feature allows for efficient chip evacuation