Kennametal 1925977 Indexable Drill Insert Dfthd KC7140

Product Description

The KENNAMETAL 1925977 is a solid carbide indexable drill insert designed for use in indexable drill tooling systems where consistent hole quality and wear resistance are required. Carrying the KC7140 manufacturer grade with a PVD-applied TiN and TiCN coating, this insert delivers a hard, low-friction surface suited for productive drilling in a range of workpiece materials rated C5 and C6 material grades. The insert features an 84-degree trigon shape with a 17.6 mm inscribed circle, a 0.1941-inch thickness, and an 0.80 mm corner radius. It is installed by machinists and toolroom technicians in production and job-shop environments.

This insert is appropriate for indexable drill applications in metalworking operations including general-purpose hole making in steel, cast iron, and similar materials consistent with C5 and C6 carbide grade classifications. The HD chipbreaker geometry is designed for heavier feeds and interrupted-cut conditions. The insert fits toolholders accepting the DFT insert style with an insert size designation of 110508. It is sold individually per package with a minimum order quantity of 5 units.

Key Features

• Solid carbide substrate with PVD-applied TiN and TiCN multilayer coating for wear and heat resistance
• KC7140 grade rated for C5 and C6 material classifications
• HD chipbreaker geometry suited for heavier feed rates and interrupted cuts
• 84-degree trigon insert shape with 0.80 mm corner radius
• 17.6 mm inscribed circle with 0.2303-inch mounting hole diameter
• 8-degree relief angle for positive cutting action

Compatibility

Designed for use in indexable drill toolholders accepting the DFT insert style with insert size 110508 and a 5.85 mm mounting hole. Confirm toolholder specifications before ordering.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Power down and lock out the machine spindle completely before seating or indexing the insert. Use the manufacturer-recommended torx or hex key to secure the insert clamp screw to the toolholder specification. Inspect the insert pocket and seating surfaces for chips or debris before installation to ensure proper seating and runout.