Accupro 12177620 Tapered Ball End Mill 3 Flute Solid Carbide

Product Description

The ACCUPRO 12177620 is a solid carbide tapered ball end mill designed for precision milling operations requiring controlled taper angles and a smooth spherical cutting tip. Built from micrograin solid carbide, this tool delivers the rigidity and wear resistance needed for tight-tolerance work in ferrous and non-ferrous materials. It features a 3-degree taper per side, a 1/8 inch small end diameter, and a 1/16 inch nose radius. With 3 spiral flutes in a right-hand cut direction and a 30-degree helix angle, it provides efficient chip evacuation and smooth surface finishes. This tool is centercutting, enabling plunge entry and ramp milling without a pre-drilled start hole.

The 12177620 is suited for die and mold work, engraving, 3D contouring, and detail finishing passes where a tapered profile is required to reach restricted geometries. The 1-1/4 inch length of cut provides adequate reach for moderate-depth cavities while maintaining tool rigidity. The 1/4 inch shank fits standard collets and tool holders common to CNC machining centers and manual mills. The uncoated finish makes it appropriate for use in applications where coatings are not required or where re-sharpening is anticipated.

Key Features

• Micrograin solid carbide construction for hardness and dimensional stability
• 3-degree taper per side for tapered wall milling and draft-angle profiling
• Ball end with 1/16 inch nose radius for 3D contouring and blending operations
• Centercutting design allows plunge and ramp entry
• 30-degree helix angle with right-hand spiral flutes promotes efficient chip flow
• Uncoated finish suitable for non-ferrous materials and applications requiring re-sharpening

Compatibility

Designed as a standard 1/4 inch shank tapered ball end mill compatible with CNC machining centers, vertical mills, and similar equipment using ER collet systems or other 1/4 inch tool holders.

Installation Notes

This tool should be installed by a qualified machinist or CNC setup technician familiar with cutting tool runout tolerances and collet torque procedures. Ensure the machine spindle is fully stopped and locked before changing tooling. Verify tool holder cleanliness and proper collet seating to minimize runout, which directly affects tool life and surface finish on tapered and ball-end operations. Always confirm feed rates and spindle speeds are appropriate for the workpiece material before initiating a cut.