Accupro 12184466 Ball End Mill 0.25 in 3 Flute Solid Carbide

Product Description

The ACCUPRO 12184466 is a solid carbide ball end mill designed for precision milling operations in ferrous and non-ferrous materials. Built with three flutes and a 40-degree helix angle, it balances chip evacuation with surface finish quality. The 0.25-inch mill diameter pairs with a 1.5-inch length of cut, and the extra-long 4-inch overall length allows access to deeper features and pockets that standard-length tools cannot reach. Micrograin carbide construction provides the hardness and edge retention needed for demanding cutting conditions. This is a single-end, right-hand cutting tool with a right-hand spiral flute configuration and no chipbreaker geometry.

This end mill is suited for profiling, slotting, and contouring operations on CNC machining centers and manual mills. Its extra-long reach makes it well-matched for deep-cavity work in mold making, die work, and precision component manufacturing. The uncoated finish is appropriate for aluminum, brass, and other non-ferrous materials where coatings are not required or where re-sharpening is anticipated. The 0.25-inch shank diameter fits standard ER and precision collet systems commonly found in production and job shop environments.

Key Features

• 0.25-inch ball end mill diameter with 1.5-inch length of cut for deep-reach milling
• Three-flute, 40-degree helix design balances material removal rate and finish quality
• Extra-long 4-inch overall length provides access to deep cavities and tall workpieces
• Micrograin solid carbide construction delivers hardness and edge retention
• Right-hand cut, right-hand spiral flute configuration for standard CNC spindle use
• Uncoated finish suited to non-ferrous materials and re-sharpenable applications

Compatibility

Designed as a direct-fit replacement or upgrade tool for 0.25-inch shank collet systems; compatible with standard ER collets, shrink-fit holders, and precision milling chucks accepting a 0.25-inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully stopped and the machine is in a safe, locked-out state before changing tooling. Confirm collet and holder cleanliness before seating the shank to achieve accurate runout. Follow the machine tool manufacturer guidelines for pull-out force and collet torque specifications when securing the tool holder.