ITC Carbide End Mill Square Edge 4121 - 4 Flute 30° Helix With Facet Relief & Diamond Coating - Composites - 4mm

The ITC Carbide End Mill Square Edge 4121 is a 4 mm diameter carbide end mill designed for precision work in composite materials. Its square edge delivers clean, accurate cuts, helping you achieve tight tolerances on challenging parts.

This tool features a 4-flute design with a 30° helix, facet relief, and a diamond coating to optimize chip evacuation, cutting stability, and tool life. Built for professionals who demand reliability in demanding composites, it delivers consistent performance and high-quality machining results.

• 4-Flute Design with 30° Helix: Promotes stable cutting and efficient chip evacuation, helping maintain tight tolerances and reducing heat buildup when machining composite materials.
• Facet Relief for Consistent Edge Performance: Reduces cutting forces and preserves edge sharpness during long milling runs, delivering reliable tool life and predictable results.
• Diamond Coating for Durability: Hard coating minimizes wear, extends tool life, and keeps edges sharp through demanding composite cuts, reducing downtime and rework.

With the ITC 4121 end mill, you gain fast, repeatable results across a range of composites. The combination of geometry, relief, and coating reduces deflection and heat, improving surface finish and dimensional accuracy while cutting time and downtime. Designed for professionals who require dependable performance, this tool helps you complete projects more efficiently and with fewer tool changes.