Accupro 14797568 Corner Radius End Mill 0.025 in 4 Flute

Product Description

The ACCUPRO 14797568 is a miniature corner radius end mill designed for precision milling operations requiring tight tolerances and a controlled edge radius. Built from micrograin solid carbide and coated with AlTiN, this tool handles high-temperature cutting environments while maintaining edge integrity. The 0.005 inch corner radius reduces stress concentrations at the cutting edge, extending tool life in hardened and abrasive materials. At 0.025 inches in diameter with a 0.038 inch length of cut, this is a purpose-built tool for fine detail work, micro-slot milling, and intricate contouring where standard end mills are too large to fit.

This end mill fits applications in aerospace, medical device, mold and die, and precision instrument manufacturing where small-feature machining is required. The miniature series designation makes it appropriate for CNC machining centers running micro-diameter toolpaths. The single-end, centercutting geometry allows plunge entry and directional changes within a workpiece. Right-hand flute direction and right-hand cutting rotation are standard for conventional CNC spindle setups. The 1/8 inch shank diameter fits standard collets and shrink-fit toolholders common in precision machine shops.

Key Features

• 0.025 inch mill diameter with plus 0.000 inches / minus 0.001 inch tolerance for precise fitment in tight geometries
• AlTiN coating provides high heat resistance and oxidation protection for dry and semi-dry cutting
• Micrograin solid carbide substrate delivers hardness and wear resistance in ferrous and non-ferrous materials
• 4-flute spiral geometry with 30-degree helix angle balances chip evacuation and surface finish
• Centercutting design allows plunge milling without a pre-drilled entry point
• Single-end configuration with 1.5 inch overall length for tool rigidity in precision setups

Compatibility

Designed as an OEM-style miniature end mill for use in CNC machining centers and milling machines fitted with collets or toolholders accepting a 1/8 inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician. Power down and lock out the spindle before changing or setting the tool in the toolholder. Use a calibrated torque-controlled collet wrench to secure the shank — avoid over-tightening, which can deform the shank tolerance zone. At 0.025 inches in diameter, this tool is highly sensitive to runout; verify spindle and collet concentricity before running production cuts.