Kennametal 4046377 Corner Radius End Mill 8mm 5 Flute Carbide

Product Description

The KENNAMETAL 4046377 is a solid carbide corner radius end mill engineered for demanding metal removal in steel, stainless steel, cast iron, and hard materials. Built on the UCDE series platform, it features a 8 mm cutting diameter, 0.51 mm corner radius, and 5 flutes with a high-helix spiral geometry that supports both roughing and finishing operations in a single tool. The AlTiN PVD coating delivers heat resistance and wear life in high-temperature cutting environments. This tool is sized for precision work requiring long-reach clearance, with a 19 mm length of cut and 63 mm overall length on a straight cylindrical shank.

This end mill is suited for CNC machining centers handling ferrous workpiece materials including carbon steel, stainless steel, cast iron, and hardened stock. The single-end, right-hand cutting and right-hand flute direction configuration makes it compatible with standard ER single angle collet systems. It is a practical choice for shops running production or job-shop work where a single tool must handle both stock removal and surface finishing on difficult alloys without a tool change.

Key Features

• Solid submicron carbide substrate for rigidity and edge retention in hard materials
• AlTiN PVD coating rated for high-temperature cutting in steel and stainless applications
• 5-flute geometry supports both roughing and finishing in one pass
• 0.51 mm corner radius reduces edge chipping and extends tool life at corners
• High-helix spiral flutes promote chip evacuation in deep pockets and slots
• Long-length configuration with 19 mm LOC and 63 mm OAL for extended reach applications

Compatibility

Designed for use with ER single angle standard collets. Suitable for machining steel, stainless steel, cast iron, and hard materials per material codes P, M, K, and H.

Installation Notes

Installation is performed by qualified CNC machinists or tooling technicians. Secure the shank fully into the collet or toolholder and verify runout before cutting. Confirm spindle direction matches the right-hand cutting orientation of this tool before engaging the workpiece. Do not use this tool for center-drilling operations, as it is not center-cutting.