Accupro 12180851 Corner Radius End Mill 1/2 in 7 Flute

Product Description

The ACCUPRO 12180851 is a solid carbide corner radius end mill designed for high-performance milling in demanding machining environments. It features a 1/2 inch cutting diameter, a 0.03 inch corner radius, and 7 flutes with a right-hand spiral and right-hand cutting direction. The nACRo coating provides enhanced wear resistance and thermal stability, making it well-suited for harder workpiece materials. At 6 inches overall length with an extended reach design, this single-end, centercutting tool handles both plunge and lateral cutting operations. The micrograin carbide substrate delivers the edge retention needed for tight-tolerance work.

This end mill is intended for use in CNC machining centers and manual mills where a corner radius profile is required to reduce stress concentrations at part corners or produce blended fillets. The extended reach and reduced neck diameter of 0.47 inches allow access to deep pockets and stepped features. It is typically installed and operated by machinists and tool-and-die professionals working in job shop, aerospace, mold-and-die, or precision manufacturing settings.

Key Features

• Solid micrograin carbide construction for superior edge retention and rigidity
• nACRo coating for improved wear resistance in hard and abrasive materials
• 7-flute geometry increases feed rate capability and improves surface finish
• Variable index flute spacing reduces harmonic vibration during cutting
• Centercutting design allows direct plunge entry into workpiece material
• Extended reach with 3-1/8 inch reach length for deep pocket and cavity work

Compatibility

Designed as an OEM-style replacement and standard fitment corner radius end mill for CNC machining centers and manual milling machines accepting a 1/2 inch straight shank.

Installation Notes

This tool is installed by qualified machinists using an appropriate collet or end mill holder rated for the 1/2 inch shank diameter. Verify runout at the spindle before engaging the cut. Ensure the tool holder is fully seated and torqued to the machine manufacturer's specification for the holder type in use. Follow all shop safety protocols and machine guarding requirements before spindle engagement.