Harvey Tool 805908-C3 Corner Rounding End Mill 1/8 in Radius

Product Description

The HARVEY TOOL 805908-C3 is a double-end corner rounding end mill designed for producing precise radius profiles on workpiece edges. Built from solid carbide with an AlTiN coating, this tool handles demanding milling operations in hardened steels, stainless, and high-temp alloys. It features a 1/8 inch radius, a 5/16 inch mill diameter, and a matching 5/16 inch shank diameter. The four-flute configuration provides a good balance of chip clearance and surface finish. Machinists, tool-and-die makers, and CNC operators use this type of cutter for edge rounding, stress-relief radiusing, and cosmetic break-edge applications on milled parts.

This end mill fits into standard CNC machining center and manual milling setups wherever a consistent corner radius is required. Its double-end design allows the cutter to be flipped when one end shows wear, extending usable tool life. The flared series geometry is intended for edge profiling passes rather than full-slot or heavy roughing cuts. Applications include aerospace component finishing, mold and die work, and general precision machining where a defined 1/8 inch radius edge is specified on the drawing. The 0.0460 inch tip diameter accommodates the geometry of the flared profile at the cutting edge.

Key Features

• Solid carbide construction provides rigidity and wear resistance in hard materials
• AlTiN coating improves heat resistance and tool life in dry or high-speed cutting
• Double-end design allows both ends to be used, extending overall tool life
• Four flutes deliver improved surface finish compared to two-flute alternatives
• 1/8 inch corner radius for consistent, repeatable edge profiling
• Flared series geometry suited to edge rounding and break-edge operations

Compatibility

Designed for use in standard CNC machining centers and manual mills accepting a 5/16 inch shank diameter. Part of the Harvey Tool Corner Rounding End Mills - 2 and 4 Flute - Flared series.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Secure the shank fully in a collet or end mill holder to the required engagement depth before operation. Inspect the tool holder runout prior to use, as excessive runout reduces tool life and profile accuracy on corner rounding cutters. Follow all machine guarding and lockout procedures when changing tooling in any milling spindle.