Iscar 4500709 Shrink-fit Tool Holder Adapter ER32

Product Description

The ISCAR 4500709 is a shrink-fit tool holder adapter designed for use with ER32 taper shank tooling in CNC machining centers and milling applications. It accepts a 0.125 inch hole diameter and provides a 2.5 inch projection from the spindle face, giving machinists the clearance needed for deep-reach or complex-geometry workpieces. The 0.68 inch nose diameter and 0.63 inch clamping depth deliver rigid tool engagement, and the through-coolant design channels cutting fluid directly to the tool tip for effective chip evacuation and thermal management. This adapter is installed by CNC machine operators and tool room technicians in production and job-shop environments.

This shrink-fit adapter is suited for high-speed milling, drilling, and boring operations where runout control and vibration damping are critical. The ER32 taper shank interface is widely used across vertical and horizontal machining centers. The through-coolant feature makes it a practical choice for deep-cavity work or hard-material cutting where flood coolant alone is insufficient. It ships as a single unit and is appropriate for shops requiring precise tool projection in tight-tolerance applications.

Key Features

• ER32 taper shank interface for broad machine center compatibility
• 0.125 inch hole diameter for small-diameter tooling
• 2.5 inch projection length supports deep-reach machining setups
• 0.63 inch clamping depth provides secure tool retention
• Through-coolant design delivers fluid directly to the cutting zone
• 0.68 inch nose diameter supports low-profile access in confined workpiece features

Compatibility

Designed as an OEM-style shrink-fit adapter for CNC machining centers that accept ER32 taper shank tooling. Confirm spindle interface and drawbar specifications on the target machine before installation.

Installation Notes

Shrink-fit adapters require an induction heating station to thermally expand the bore before tool insertion — never force a tool into a cold shrink-fit bore. Power down and lock out the machine spindle before any toolholder change. Verify the adapter shank is clean and free of burrs before seating it in the spindle taper, and follow the machine tool manufacturer torque specifications for the retention knob. Installation should be performed by a qualified CNC operator or toolroom technician familiar with shrink-fit procedures.