Helical Solutions 59199 Corner Radius End Mill 3/4in 3 Flute

Product Description

The HELICAL SOLUTIONS 59199 is a solid carbide corner radius end mill designed for precision material removal in demanding machining environments. With a 3/4 inch mill diameter, 1.625 inch length of cut, and a 0.0300 inch corner radius, this single-end tool handles both roughing and finishing operations. It features 3 flutes with a right-hand spiral cut, a 35-degree medium helix, and a Zplus PVD coating optimized for aluminum and non-ferrous metals. The straight cylindrical shank measures 3/4 inch in diameter. This is a centercutting tool suited for CNC machining centers using high-precision toolholders.

The 59199 is built for machinists working with aluminum and non-ferrous metals as its primary workpiece materials, with secondary capability in steel, stainless steel, cast iron, high-temperature alloys, and hard materials. Its coarse pitch flute geometry and Zplus coating support chip evacuation and surface finish quality in high-speed applications. The regular-length configuration and 4 inch overall length make it a practical choice for standard milling setups in job shops and production environments running non-ferrous programs.

Key Features

• 0.0300 inch corner radius with a tolerance of -0.0020 to 0.0020 inch for consistent edge geometry
• Zplus PVD coating optimized for aluminum and non-ferrous metal applications
• 3 flutes with right-hand spiral and 35-degree medium helix for efficient chip removal
• Centercutting design allows plunge entry without a pre-drilled hole
• Solid carbide construction with h6 mill and shank diameter tolerances for tight runout control
• Maximum TIR of 0.0003 inch; compatible with high-precision toolholders

Compatibility

Part of the H35AL-3 series. Designed for use with high-precision toolholders. Primary material application is aluminum and non-ferrous metals; secondary applications include steel, stainless steel, cast iron, high-temperature alloys, and hard materials.

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. Seat the 3/4 inch straight cylindrical shank fully into a high-precision toolholder and torque the retention mechanism per the toolholder manufacturer specifications. Verify runout at the cutting edge before beginning the operation, as TIR tolerance on this tool is 0.0003 inch. Consult your machine tool documentation and applicable shop safety procedures before use.