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The SANDVIK COROMANT 5728870 is a CAT50 taper modular tool holding system adapter designed for use in CNC machining centers and high-precision turning or milling applications. This adapter provides the interface between a CAT50 spindle and a modular tooling system, enabling quick tool changes and consistent repeatability in production environments. Key specifications include a 1.575-inch projection, a 2.4803-inch body diameter, and a 5.5829-inch overall length. The through-coolant feature allows cutting fluid to be delivered directly to the cutting zone, supporting longer tool life and improved chip evacuation. Installation is handled by qualified CNC machinists and tooling technicians.
This adapter is suited for use in industrial machining environments where CAT50 taper spindles are standard, including heavy-duty vertical machining centers and horizontal machining centers found in aerospace, automotive, and general manufacturing shops. It is part of a modular C6-size tooling system, allowing machinists to build up tool assemblies using compatible modular components. Through-coolant capability makes it appropriate for deep-cavity milling, drilling, and other operations where flood coolant cannot reach the cutting zone effectively.
Designed for use with CAT50 taper spindle machines and compatible with C6 modular tooling system components. Specific machine and tooling compatibility should be confirmed against the modular system documentation before installation.
Installation should be performed by a qualified CNC machinist or tooling technician familiar with CAT50 taper tooling procedures. The spindle must be fully powered down and the machine placed in a safe lockout state before handling or mounting the adapter. Clean all mating tapers and threaded interfaces thoroughly before assembly to ensure proper seating and runout performance. Torque all retention hardware according to the machine tool manufacturer specifications, not this component alone.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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