Kennametal 7034098 Carbide Indexable Drill Insert KC7140

Product Description

The KENNAMETAL 7034098 is a carbide indexable drill insert designed for use in Drill Fix series indexable drilling systems. Manufactured in the DFPR insert style with a KC7140 grade carbide substrate and titanium nitride coating, this insert delivers consistent cutting performance in metal drilling applications. It features an inscribed circle of 0.390 inches (9.90 mm), a thickness of approximately 0.118 inches (3.00 mm), and an 8-degree relief angle. The PK chipbreaker geometry promotes controlled chip evacuation during through-hole and blind-hole drilling operations. This insert is installed by machinists and CNC operators in production and job-shop environments.

This insert is intended for use in DFPR-compatible Drill Fix series indexable drill bodies. It suits right-hand cutting direction setups and is sized at insert size code 10, with a body length and width of 0.318 inches (8.09 mm). Typical applications include drilling operations in steel and similar ferrous materials where a titanium nitride coated carbide insert provides wear resistance and dimensional consistency across production runs. The 0.020-inch (0.50 mm) corner radius supports controlled entry and reduces edge chipping at the start of cut.

Key Features

• KC7140 grade carbide with titanium nitride coating for extended wear life in ferrous drilling
• DFPR insert style with PK chipbreaker for controlled chip formation
• 8-degree relief angle reduces cutting forces and promotes clean hole geometry
• Right-hand cutting direction, insert size code 10
• Inscribed circle of 0.390 inches (9.90 mm) and 0.020-inch (0.50 mm) corner radius
• ANSI and ISO code DFPR100305PKI for cross-reference identification

Compatibility

Designed for use with DFPR-compatible Drill Fix series indexable drill bodies. Compatible drill style is listed as DFPR per manufacturer specifications.

Installation Notes

Insert installation and indexing should be performed by a qualified machinist with the machine powered down and the spindle locked. Use the appropriate torx or insert-clamp wrench as specified by the drill body manufacturer — do not overtighten the clamping screw. Inspect the insert pocket for debris or damage before seating the insert. Always verify cutting direction and insert orientation match the drill body specification before resuming operation.