Kennametal 4041090 End Mill 5/16 Inch 3 Flute Solid Carbide

Product Description

The KENNAMETAL 4041090 is a solid carbide roughing finishing end mill designed for aggressive material removal and finish-quality results in a single tool. Built with a 3-flute geometry and a 38-degree helix angle, it generates efficient chip evacuation while maintaining surface finish quality. The square end profile delivers sharp, defined edges suited for slotting, profiling, and shoulder milling operations. Measuring 5/16 inch in diameter with a 5/8 inch length of cut and 2-1/2 inch overall length, this tool is sized for precision work in ferrous and non-ferrous materials. It is designed for use by machinists, tool and die makers, and CNC operators working in job shop and production environments.

This end mill fits applications where both roughing and finishing passes are required without a tool change. The ABDE series micrograin carbide construction supports use in materials that demand edge retention and dimensional consistency. It is appropriate for milling centers and manual mills in light-to-medium cutting conditions. The bright, uncoated finish suits applications where coating interaction with the workpiece material is a concern, or where re-sharpening is anticipated.

Key Features

• 3-flute roughing finishing geometry enables combined roughing and finishing in one pass
• 38-degree helix angle promotes efficient chip flow and reduces cutting forces
• Solid micrograin carbide construction provides edge retention and wear resistance
• Square end profile for slotting, profiling, and shoulder milling
• Right-hand cut and right-hand flute direction for standard CNC spindle compatibility
• Centercutting capability allows plunge entry into the workpiece

Compatibility

Designed as an OEM-style solid carbide end mill for use in standard straight-shank tool holders and collets accepting a 5/16 inch shank diameter on CNC milling centers and manual knee mills.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully stopped and the machine is in a safe, powered-down state before changing tooling. Seat the shank fully into a matching collet or end mill holder and torque the retention mechanism per the tool holder manufacturer specifications. Verify runout with a dial indicator before beginning the cut, as excessive runout will reduce tool life and surface finish quality.