Kennametal 5533513 Carbide Cutoff Insert 3mm KCU25

Product Description

The KENNAMETAL 5533513 is a carbide cutoff insert designed for parting and grooving operations on CNC lathes and turning centers. It carries the manufacturer grade KCU25 with a CVD-applied TiOCN coating, a combination that delivers thermal resistance and wear protection during interrupted and continuous cut-off passes. The insert features a 3.00 mm cutting width (0.1180 inches), a neutral lead angle of 0 degrees, a 2-degree relief angle, and a CL chipbreaker geometry. It is a single-end, right-hand insert suited for close-tolerance parting work where consistent chip control is required.

This insert is intended for metal cutting applications in production and job-shop environments. The Beyond Evolution series targets materials in the C2 and C6 material grade range, covering a broad spectrum of steel and cast iron workpieces commonly encountered in general machining. It is installed by machinists and CNC operators in dedicated cut-off toolholders that accept an EC-U style insert with an insert seat size of 3. The CL chipbreaker geometry is well-suited for light-to-medium feeds where chip curl and evacuation are priorities.

Key Features

• Carbide substrate with CVD TiOCN coating for extended tool life in steel and cast iron
• 3.00 mm (0.1180 inch) cutting width with a 0.0080-inch corner radius for clean parting cuts
• Neutral, 0-degree lead angle with 2-degree relief angle for stable, chatter-resistant cutting
• CL chipbreaker geometry promotes controlled chip formation at moderate feed rates
• Single-end, right-hand EC-U insert style compatible with standard size-3 cut-off toolholders
• Beyond Evolution series; material grades C2 and C6 for broad workpiece material coverage

Compatibility

Designed for use with EC-U style cut-off toolholders accepting an insert seat size of 3 and a 3.00 mm cutting width. Compatible with workpiece material grades C2 and C6 as specified by the manufacturer.

Installation Notes

Installation should be performed by a qualified machinist with the machine fully powered down and in a locked-out state before insert indexing or replacement. Ensure the toolholder pocket and clamping surfaces are clean and free of chips before seating the insert. Follow the toolholder manufacturer torque specifications for the clamping screw; do not overtighten. Verify insert seating and tool overhang before resuming cutting operations.