ITC Carbide End Mill Corner Radius 4081 - 4 Flute 38° Helix With Roll Relief, Harmonic Fluting, Radius & Coating - Steels & Exotics - 1mm x R0.25

The Carbide End Mill Corner Radius 4081 is a precision cutting tool engineered for demanding steels and exotic materials. With a 1 mm diameter and a 0.25 mm corner radius, this 4-flute end mill is optimized for tight inside radii and clean, accurate pockets, making it ideal for engineers, machinists, and hobbyists who require reliable results on challenging parts.

Built for stability and long life, the tool combines a 38° helix, roll relief, harmonic fluting, an integrated radius, and a specialized coating. These features work together to improve chip evacuation, reduce cutting forces, and maintain consistent performance across tough materials and complex geometries.

• 1 mm diameter with R0.25 corner radius: Enables precise corners and tight radii in steel and exotic alloys, reducing the need for secondary finishing and improving part accuracy.
• 4-flute design with 38° helix and roll relief: Delivers strong material engagement, smoother cuts, efficient chip evacuation, and reduced vibration for better surface finish and longer tool life.
• Harmonic fluting and specialized coating: Minimizes cutting forces and heat while providing wear resistance, extending tool life and delivering dependable, repeatable results in demanding materials.

This combination helps you complete jobs faster with fewer tool changes, deliver consistent, accurate profiles, and reduce downtime. Whether you're prototyping or producing, the 4081 end mill provides dependable performance, predictable results, and peace of mind in tough milling tasks.