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The INGERSOLL CUTTING TOOLS 6138843 is a right-hand external grooving toolholder in the TTER/L-TB series, designed for indexable insert grooving operations on CNC lathes and turning centers. Built from steel with a clamp-style insert holding method, it accepts TD 3 and TS 3 series inserts and supports through-coolant delivery for extended tool life and chip evacuation during grooving cuts. The toolholder features a 1-inch shank height, an overall length of 6 inches, and a maximum depth of cut of 0.98 inches, making it suited for moderate-depth external groove applications across a wide range of workpiece materials.
This toolholder is rated for universal primary workpiece material compatibility, meaning it performs across steel, stainless, cast iron, aluminum, and non-ferrous alloys when paired with the appropriate insert grade. It is intended for external grooving on workpieces up to 1.96 inches in diameter. The TTER style configuration is common in production turning environments where consistent groove geometry, coolant-through performance, and quick insert indexing are priorities. The multi-use designation indicates the holder accommodates a range of groove widths from 0.104 inches minimum to 0.095 inches maximum per the insert geometry used.
Compatible with TD 3 and TS 3 series indexable inserts. Designed for use in the TTER/L-TB series toolholder system for external grooving on CNC lathes and turning centers.
This toolholder is installed and serviced by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before changing inserts or mounting the toolholder. Ensure the coolant-through port is properly connected to the machine coolant circuit before running. Follow the machine tool manufacturer torque specifications for toolpost or turret mounting hardware, and verify insert seating and clamp engagement before cutting.
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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