Kennametal 1183255 TPG222 K68 Solid Carbide Turning Insert

Product Description

The KENNAMETAL 1183255 is a solid carbide, uncoated turning insert in the TPG222 geometry, part of the KENDEX series. It features a 60-degree triangular shape with a positive rake angle and positive side clearance, making it well-suited for light, precise cuts on non-ferrous metals, superalloys, and titanium. The insert measures 11 mm (0.4331 inches) in length with a 1/4-inch inscribed circle and a 1/32-inch corner radius. The K68 grade delivers high wear resistance with moderate toughness across stainless steel, cast iron, and aluminum applications. The flat-top chip breaker and honed cutting edge support consistent chip flow and edge integrity during turning, facing, and boring operations.

This insert is designed for use in turning, facing, and boring operations on CNC lathes and manual turning centers. It is held in place by a clamp-style toolholder compatible with the TPG insert style. The neutral hand orientation allows use in a range of standard TPG-compatible toolholders. Primary workpiece materials include non-ferrous metals, superalloys, and titanium, with secondary suitability for stainless steel and cast iron. The three available cutting edges extend tool life and reduce per-edge tooling cost, making this insert practical for production environments and job shops alike.

Key Features

• K68 grade solid carbide with uncoated bright finish for high wear resistance on non-ferrous and superalloy workpieces
• 60-degree triangle shape (TPG222) with three usable cutting edges
• 1/32-inch corner radius with honed cutting edge for controlled surface finish
• Flat-top chip breaker geometry supports positive rake cutting action
• Clamp-style insert holding method compatible with standard TPG toolholders
• Rated for turning, facing, and boring operations with a maximum depth of cut of 1.25 mm (0.0492 inches)

Compatibility

Designed for use in clamp-style toolholders that accept TPG-style inserts with ANSI size code 222 and ISO size code 110308. Confirm toolholder clearance code P and tolerance code G compatibility before installation.

Installation Notes

Installation is performed by a machinist or toolroom technician using a clamp-style toolholder rated for TPG inserts. Power down and lock out the machine spindle before seating or indexing the insert. Inspect the insert pocket and clamp for debris or wear before securing the insert. Do not exceed the rated maximum depth of cut for this insert geometry.