Accupro 14883924 Ball End Mill 0.025 in 3 Flute Carbide Altin

Product Description

The ACCUPRO 14883924 is a miniature solid carbide ball end mill designed for precision milling in tight geometries and small-feature machining applications. The 0.0250-inch cutting diameter and 3-flute spiral geometry deliver smooth chip evacuation and a fine surface finish in hardened and difficult-to-machine materials. An AlTiN (aluminum titanium nitride) coating improves heat resistance and extends tool life in high-temperature cutting environments. The micrograin carbide substrate provides rigidity and edge retention at small diameters. This tool is installed and operated by machinists and CNC programmers working in tool-and-die, aerospace, medical device, and precision mold applications.

This miniature end mill suits high-speed CNC machining centers running small-diameter finish passes, slot milling, and contour work in hardened steels, stainless alloys, titanium, and similar materials. The 0.0370-inch length of cut (LOC) and 3/8-inch neck length enable access to recessed features while maintaining stiffness. The 1/8-inch shank fits standard collet chucks and precision tool holders sized for miniature tooling. It is a single-end, right-hand cut, right-hand flute configuration.

Key Features

• 0.0250-inch ball nose diameter with a +0.0000 / -0.0010 inch diameter tolerance for tight dimensional control
• 3-flute spiral geometry promotes chip flow and supports higher feed rates versus 2-flute alternatives at small diameters
• AlTiN coating provides elevated thermal resistance and hardness for extended tool life in ferrous and exotic alloys
• Micrograin solid carbide substrate delivers rigidity and edge integrity at miniature diameters
• 30-degree helix angle balances cutting force and surface finish in precision finishing operations
• Extended reach with 3/8-inch neck length allows access to recessed or deep pocket features

Compatibility

Designed for use in CNC machining centers and high-speed spindles equipped with 1/8-inch precision collet chucks or tool holders accepting miniature-series end mills.

Installation Notes

Installation and tool changes must be performed by a qualified machinist with the spindle fully stopped and machine control in a safe state. Seat the 1/8-inch shank fully into a precision collet or shrink-fit holder and torque the retention mechanism per the tool holder manufacturer specifications. At miniature diameters, runout control is critical — verify TIR with a dial indicator before cutting. Do not exceed the tool manufacturer recommended depth of cut or feed-per-tooth parameters for this diameter, as micrograin carbide is rigid but brittle under excessive lateral load.