Kennametal 4067261 Corner Radius End Mill 5/8 in 4 Flute

Product Description

The KENNAMETAL 4067261 is a solid carbide corner radius end mill head designed for high-performance milling applications in demanding shop environments. Part of the HARVI HPHV series, this single-end tool measures 0.625 inches in diameter with a 1.625-inch length of cut and an overall length of 3.5 inches. The 4-flute, right-hand helical design runs at a 38-degree helix angle, promoting efficient chip evacuation and smooth cutting action. An AlTiN coating provides thermal resistance and wear protection when cutting ferrous and hard materials. This head is installed by machinists and CNC mill operators working with steel, stainless steel, cast iron, and hard materials.

The 4067261 is suited for milling operations in both production and job-shop settings where consistent corner geometry and surface finish are required. Primary workpiece materials include steel, stainless steel, cast iron, and hard materials. The Weldon flat shank at 0.625 inches provides secure tool holding in compatible end mill holders. This is a replacement or modular-system head intended for use with appropriate toolholding systems that accept a 5/8-inch Weldon flat shank. It is centercutting, enabling plunge entry where the application requires it.

Key Features

• Solid carbide construction in KCPM15 material grade for rigidity and wear resistance
• AlTiN coating for elevated thermal and oxidation resistance in hard and ferrous materials
• 38-degree helix angle with helical flute geometry promotes chip flow and reduces cutting forces
• Centercutting design allows plunge milling capability
• Weldon flat shank for positive, slip-resistant tool holding
• Right-hand cut and right-hand flute direction for standard CNC milling spindles
• No chipbreaker, no coolant-through -- suited for flood or dry cutting setups

Compatibility

Designed as an OEM-style replacement end mill head for use in toolholding systems that accept a 5/8-inch Weldon flat shank. Part of the KENNAMETAL HARVI HPHV series.

Installation Notes

Installation is performed by a qualified machinist or CNC setup technician. The machine spindle must be fully stopped and the toolholder removed from the spindle before changing or inspecting the end mill head. Secure the Weldon flat against the set screw in the holder to the toolholder manufacturer's specified procedure to prevent pullout. Verify runout with a dial indicator after installation before beginning a cut.