Accupro 12465820 Ball End Mill 0.0450 in 4 Flute Carbide

Product Description

The ACCUPRO 12465820 is a solid carbide ball end mill designed for precision milling in demanding machining applications. Built to miniature-series dimensions, it features a 0.0450-inch cutting diameter and a 0.0670-inch length of cut, making it well suited for fine detail work, small cavity milling, and tight-tolerance profiling. The four-flute geometry with a 30-degree helix angle promotes efficient chip evacuation while maintaining surface finish quality. An AlTiN coating provides thermal resistance and hardness, extending tool life in ferrous and high-hardness workpiece materials. The tool is ground from micrograin carbide substrate for consistent edge integrity at small diameters.

This end mill is intended for CNC machining centers and precision manual mills where small-diameter, close-tolerance work is required. Typical applications include die and mold work, medical component machining, aerospace detail parts, and electronic component features. The single-end, right-hand cutting and right-hand flute configuration is the standard setup for conventional CNC milling operations. The 1/8-inch shank diameter fits standard ER collets and precision end mill holders commonly found in production and job shop environments.

Key Features

• 0.0450-inch ball cutting diameter with 0.0670-inch length of cut for fine detail milling
• Four-flute spiral geometry with 30-degree helix for balanced cutting forces and chip flow
• AlTiN coating for elevated thermal resistance and extended tool life in hard materials
• Micrograin solid carbide substrate for edge sharpness and dimensional consistency at miniature scales
• Single-end, right-hand cut with right-hand flute direction — standard CNC configuration
• 1/8-inch shank diameter fits widely available collet and end mill holder tooling

Compatibility

Designed as a miniature-series solid carbide ball end mill suitable for CNC machining centers and precision mills accepting a 1/8-inch shank diameter through standard collet or end mill holder systems.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the spindle fully stopped and machine in a locked-out state per facility lockout/tagout procedures. Seat the 1/8-inch shank fully and evenly in a clean, matched collet or end mill holder to avoid runout at the cutting edge. At miniature diameters, even small amounts of runout or tool overhang can cause premature breakage — verify holder cleanliness and collet condition before clamping. Do not exceed manufacturer-recommended feeds and speeds for the workpiece material and coating type.