Accupro 12179355 Corner Radius End Mill 1/2 in 3 Flute Carbide

Product Description

The ACCUPRO 12179355 is a solid carbide corner radius end mill designed for precision milling in ferrous and non-ferrous materials. It features a 1/2 inch cutting diameter with a 0.02 inch corner radius and three right-hand spiral flutes, producing smooth finishes while reducing chipping at part edges. The micrograin carbide construction provides wear resistance and rigidity suited to demanding machining environments. With a 5/8 inch length of cut and a 2-1/2 inch overall length, this single-end tool is sized for general-purpose profiling and slotting on CNC machining centers and manual mills. It is centercutting, allowing direct plunge entry into the workpiece.

This end mill is suited for use in machine shops, tool rooms, and production environments where edge integrity and dimensional accuracy are required. The bright uncoated finish makes it well-suited for aluminum, brass, and other non-ferrous alloys where coating adhesion or built-up edge can be a concern. It is also appropriate for light-duty steel applications where a polished cutting edge is preferred. The 40-degree helix angle promotes efficient chip evacuation during climb and conventional milling operations.

Key Features

• Solid micrograin carbide construction for rigidity and extended tool life
• 0.02 inch corner radius reduces stress concentrations and part edge chipping
• Three right-hand spiral flutes with 40-degree helix for efficient chip evacuation
• Centercutting design allows direct plunge milling
• Bright uncoated finish suited for non-ferrous and light ferrous applications
• 1/2 inch shank diameter compatible with standard ER and end mill holders

Compatibility

Designed as an OEM-style solid carbide corner radius end mill for use in standard 1/2 inch end mill holders, ER collet chucks, and milling machine spindles accepting a 1/2 inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer guidelines for toolholder torque and runout specifications. Ensure the machine spindle is fully stopped and the control is in a safe state before changing tooling. Confirm shank seating depth meets the minimum engagement requirement for the holder being used. Inspect the collet or toolholder for wear or debris before securing the end mill to maintain concentricity and prevent premature tool failure.