Iscar 5791797 Turning Insert Dnga 432T IN22 Ceramic

Product Description

The ISCAR 5791797 is a ceramic uncoated turning insert designed for precision metal cutting in CNC and manual lathe applications. Manufactured under the Isoturn series, this insert carries the ANSI code DNGA432 and ISO code DNGA150408. It features a 55-degree diamond (rhombic) shape with a negative side clearance and a T-style chip breaker optimized for finishing operations. The IN22 ceramic grade delivers high wear resistance, making it well-suited for machining cast iron and hardened materials where tool longevity under abrasive cutting conditions is required. Licensed trades machinists and tooling technicians specify this insert for high-speed finishing passes.

This insert is used in turning centers and lathes performing finishing operations on cast iron (ISO material group K) and hardened materials (ISO material group H). The T chip breaker geometry controls chip flow during light-depth finishing cuts. Typical install scenarios include production turning environments where surface finish consistency and tool life predictability are priorities. The insert seats in toolholders using clamp or pin holding methods compatible with the DNGA insert style.

Key Features

• Ceramic uncoated IN22 grade with high wear resistance for cast iron and hardened material finishing
• 55-degree diamond (rhombic) insert shape with negative clearance for stable seating
• T chip breaker geometry engineered for finishing operations
• Clamp and pin compatible holding method for secure insert retention
• Conforms to ISO 13399 tooling data standards
• Maximum depth of cut of 0.138 inches supports controlled finishing passes

Compatibility

Designed as an OEM-style replacement or direct-specification turning insert for DNGA-style toolholders accepting a 1/2-inch inscribed circle, 55-degree diamond insert with negative clearance, compatible with clamp or pin holding systems.

Installation Notes

Insert replacement and seating should be performed by a qualified machinist or tooling technician with the machine powered down and all axes locked. Inspect the toolholder pocket and seating surfaces for debris or wear before installing the new insert. Follow the toolholder manufacturer's clamping torque guidelines for DNGA-style clamp or pin systems. Ceramic inserts are brittle and should not be used for interrupted cuts or applications outside the specified finishing parameters.