Accupro 12177631 Tapered Ball End Mill 3 Flute Solid Carbide

Product Description

The ACCUPRO 12177631 is a solid carbide tapered ball end mill designed for precision milling of complex contours, cavities, and 3D profiling operations. Built from micrograin carbide, it delivers superior edge retention and rigidity compared to standard carbide grades. The ball end geometry allows smooth interpolation along curved surfaces, while the 3-degree taper per side enables clean wall relief in deep-cavity work. With a 1/4-inch small end diameter and 2-1/4-inch length of cut, this tool suits fine-detail finishing passes on molds, dies, and contoured workpieces across CNC machining centers.

This end mill is suited for both roughing and finishing passes in ferrous and non-ferrous materials where a tapered wall profile is required. The uncoated bright finish makes it a practical choice for aluminum, brass, and softer steels where coating adhesion is not a priority. The 1/2-inch shank diameter provides solid tool holding in standard collet chucks or end mill holders, and the 5-inch overall length accommodates moderate-depth cavity access without excessive overhang.

Key Features

• Micrograin solid carbide construction for extended tool life and edge stability
• Ball end geometry supports smooth 3D contour milling and ramp entry
• 3-degree taper per side delivers angled wall relief in mold and die cavities
• 3-flute, right-hand spiral design with 30-degree helix for efficient chip evacuation
• Centercutting capable, allowing plunge and ramp operations
• Bright/uncoated finish suitable for non-ferrous and softer ferrous materials

Compatibility

Designed as a direct-fit tapered ball end mill for CNC machining centers and manual mills accepting a 1/2-inch shank. No specific OEM model compatibility was provided in product data.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Secure the 1/2-inch shank in a properly sized collet chuck or end mill holder, ensuring adequate grip length to minimize runout. Confirm spindle and tool holder are clean and free of debris before seating the tool. Always verify feed rate, spindle speed, and depth of cut against the material and tool diameter before beginning a cut.