The Omega HSK63A Milling Cutter Arbor is a high-speed tool holder designed for precision milling on HSK63A spindles. Its G2.5-balanced design minimizes vibration at top speeds to help you achieve clean finishes and longer tool life.

Featuring a 50 mm length and M16 bore, plus a through-hole coolant channel, this arbor supports efficient chip evacuation and cooling. Constructed from high-quality steel and subjected to rigorous quality control, it maintains a precise fit that reduces runout and vibration during machining, delivering consistent results up to 25,000 RPM.

• G2.5 Balanced Design: Minimizes vibration at high speeds to improve precision and achieve smoother surface finishes during demanding milling operations.
• Through-Hole Coolant Channel: Enables effective coolant delivery through the arbor, enhancing chip evacuation and cooling to extend tool life.
• Rigid Steel Construction with Precise Fit: Ensures minimal runout and stable engagement with HSK63A spindles for reliable performance and longer tool life.

With this arbor, you gain reliable toolholding stability, reduced downtime from fewer runouts, and improved surface finishes across demanding milling tasks. The combination of robust steel construction, tight tolerances, and through-hole coolant design helps you push performance, extend tool life, and keep workflows moving smoothly in metalworking applications from aerospace to general manufacturing.