Accupro 72065576 Corner Radius End Mill 5/16 in 6 Flute

Product Description

The ACCUPRO 72065576 is a solid carbide corner radius end mill designed for high-performance milling in demanding applications. It measures 5/16 inches (0.3125 inches) in diameter with a 6-flute configuration and an AlTiN+ coating that provides thermal resistance and extended tool life at elevated cutting temperatures. The corner radius measures 0.060 inches (1.52 mm), reducing stress concentrations at part corners. Variable helix and variable index geometry help reduce harmonic vibration during aggressive cuts. This tool is single-end, center-cutting, and right-hand cutting with right-hand flute direction. It is installed by machinists and tooling professionals working in CNC milling operations.

The 72065576 is engineered primarily for cutting high-temperature alloys (material code S), including nickel-based superalloys, titanium alloys, and similar difficult-to-machine materials common in aerospace and power generation work. The 3/4-inch length of cut and 2-1/2-inch overall length suit it for standard-depth pocketing, profiling, and finishing passes where corner radius geometry is required. The extended reach option is not enabled on this tool, making it appropriate for shorter-reach setups with maximum rigidity.

Key Features

• AlTiN+ coating for high heat resistance and wear reduction in hard and exotic alloys
• Variable helix and variable index design reduces chatter and improves surface finish
• 6-flute geometry increases feed rates and productivity in finishing operations
• 0.060-inch corner radius protects workpiece edges and reduces tool-entry stress
• Solid carbide construction for rigidity and dimensional stability
• Center-cutting capability allows plunge entry without pre-drilling

Compatibility

Designed as a direct-fit tooling solution for CNC machining centers accepting a 5/16-inch shank diameter, specifically suited for high-temperature alloy milling in the ACCUPRO HS series tooling program.

Installation Notes

This end mill is installed by qualified machinists in CNC milling equipment. Ensure the spindle and tool holder are fully de-energized and at rest before changing tooling. Use a torque-rated tool holder and collet appropriate for a 5/16-inch shank to ensure secure clamping and runout control. Follow shop safety protocols and machine manufacturer guidelines when setting tool offsets and depth of cut parameters.