Kennametal 4071902 Corner Chamfer End Mill 1/2 in 4 Flute

Product Description

The KENNAMETAL 4071902 is a solid carbide corner chamfer end mill engineered for demanding metal removal operations in steel, stainless steel, cast iron, and hard materials. Built to the HPHV series specification under material grade KCPM15, it carries a 45-degree chamfer angle and an AlTiN PVD coating that resists heat and extends tool life at elevated cutting speeds. The 1/2 inch diameter, 4-flute, single-end design with a variable flute index and medium helix style supports both roughing and finishing passes. The Weldon flat shank provides positive drive and minimal slippage in standard end mill holders.

This end mill is suited for machining operations including shouldering, slotting, ramp-down entry, helical interpolation, drill milling, plunging, and recessing. The centercutting geometry allows direct plunge entry without a pre-drilled pilot hole. It is commonly used in CNC machining centers running ferrous and hard-material workpieces in job shop, aerospace, die-and-mold, and general manufacturing environments. A licensed machinist or CNC operator familiar with carbide tooling and HPHV series parameters would be the typical end user.

Key Features

• 45-degree chamfer angle for consistent corner geometry on milled features
• AlTiN PVD coating provides thermal resistance and extended tool life in ferrous materials
• Variable flute index reduces harmonic chatter during aggressive cuts
• Centercutting design enables direct plunge entry and helical interpolation
• Weldon flat shank for positive drive and secure clamping in end mill holders
• Rated for roughing and finishing operations across steel, stainless steel, cast iron, and hard materials

Compatibility

Designed as an OEM-specification solid carbide end mill for use in standard 1/2 inch end mill holders or collet chucks on CNC machining centers. Primary workpiece materials are steel, stainless steel, cast iron, and hard materials per material codes P, M, K, and H. Manufacturers catalog number HPHV500S4063L.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the spindle fully stopped and the machine in a safe, locked-out state. Ensure the Weldon flat is properly aligned with the set screw in the holder before torquing. Inspect the tool shank and holder bore for chips or contamination before mounting, as debris will affect runout and tool life. Follow your machine tool manufacturer specifications for clamping torque and confirm cutting parameters against the HPHV series application data before first use.