Robbjack XF-602-12-090 Corner Radius End Mill 3/8 in 6 Fl

Product Description

The ROBBJACK XF-602-12-090 is a solid carbide corner radius end mill designed for high-performance finishing operations in demanding metalworking applications. This single-end, center-cutting tool features a 3/8-inch diameter with a 0.09-inch corner radius and six helical flutes arranged in a close-pitch, right-hand cutting configuration. The 45-degree high helix geometry promotes efficient chip evacuation and reduces cutting forces. An AlTiN (aluminum titanium nitride) PVD coating provides excellent heat and wear resistance, making this tool well-suited for dry or semi-dry machining. Machining professionals and toolroom operators rely on this geometry for precise finishing passes on tough workpiece materials.

The XF-602-12-090 is intended for finishing operations on steel, stainless steel, cast iron, superalloys, and titanium. Its 7/8-inch length of cut and 2-1/2-inch overall length make it appropriate for shallow-to-moderate depth milling in production and toolroom environments. The Weldon flat shank is compatible with standard side-lock toolholders and collet chucks equipped for that shank profile. This end mill fits CNC machining centers and manual knee mills used by machinists, tool and die makers, and aerospace and precision manufacturing shops.

Key Features

• Solid carbide micrograin substrate for high rigidity and wear resistance
• AlTiN PVD coating rated for steel, stainless steel, cast iron, superalloys, and titanium
• Six-flute close-pitch design optimized for finishing-grade surface finishes
• 45-degree high helix angle promotes smooth chip flow and reduces tool deflection
• 0.09-inch corner radius reduces stress concentration and extends tool life at workpiece corners
• Center-cutting geometry allows plunge entry without a pre-drilled hole
• Weldon flat shank for positive engagement in side-lock toolholders

Compatibility

Designed for use with standard side-lock toolholders and collet systems that accept a 3/8-inch Weldon flat shank. Intended for steel, stainless steel, cast iron, superalloys, and titanium workpieces per material codes P, M, K, and S. Part of the ROBBJACK XF series of high-performance solid carbide end mills.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the spindle fully stopped and the machine in a locked or e-stopped state. Verify toolholder runout with a dial indicator before committing to finish-depth passes, as excessive runout will accelerate wear on a six-flute finishing tool. Torque the Weldon flat setscrew per the toolholder manufacturer's specification. Confirm feeds, speeds, and depth of cut against the ROBBJACK XF series cutting data before first use.