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The ISCAR 3100578 is an indexable T-slot cutter designed for milling T-slots in machine tables, fixtures, and workholding components. It accepts up to 4 inserts in a 2-flute configuration and uses a screw-type insert holding method for secure, repeatable positioning. The cutter measures 0.953 inches in cut diameter with a 0.386-inch cut width and mounts on a 5/8-inch shank. Overall length is 3.5 inches, and maximum reach is 1.13 inches. Compatible insert styles are QOMT-HQ and XOMT-HQ. This tool is intended for use in CNC machining centers and manual milling machines by machinists and tool-and-die professionals.
The 3100578 is suited for cutting standard T-slots in steel, cast iron, and similar ferrous materials in production and job-shop environments. The indexable insert design eliminates regrinding downtime and allows quick insert changes at the machine. The ETS toolholder style designation indicates the specific adapter interface required for this cutter body. Typical applications include fixture plates, machine table slots, and similar precision milling operations in both prototype and production runs.
Designed for use with QOMT-HQ and XOMT-HQ series inserts and requires an ETS-style toolholder for proper mounting.
Installation and setup should be performed by a qualified machinist. Power down and lock out the machine spindle before changing inserts or mounting the cutter body. Confirm the toolholder interface matches the ETS specification before tightening. Verify insert seating and screw torque according to ISCAR tooling guidelines before initiating a cut.
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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