Accupro 12182402 Square End Mill 5/32 in 4 Flute Carbide

Product Description

The ACCUPRO 12182402 is a 4-flute solid carbide square end mill designed for precision milling in ferrous and non-ferrous metals. It features a 5/32-inch (0.1563-inch) cutting diameter, a 1/2-inch length of cut, and an AlTiN (aluminum titanium nitride) coating that provides heat resistance and extended tool life at elevated cutting speeds. The micrograin carbide substrate adds wear resistance and edge retention under demanding conditions. Intended for use by machinists and toolroom professionals on CNC mills and manual knee mills where tight tolerances and clean square-shoulder cuts are required.

This end mill is suited for finishing and light profiling operations in ferrous alloys, hardened steels, stainless, and similar materials where AlTiN coating delivers thermal protection. The 3/16-inch shank diameter fits standard ER collets and end mill holders common in production and toolroom environments. Its regular-length geometry and 2-inch overall length make it appropriate for shallow-pocket and shoulder-milling applications where rigidity is a priority over reach.

Key Features

• Solid micrograin carbide construction for edge retention and dimensional stability
• AlTiN finish for high-temperature resistance and extended tool life
• 40-degree helix angle promotes efficient chip evacuation and smooth cutting action
• Centercutting geometry allows direct plunge entry into workpiece material
• Right-hand cut with right-hand spiral flute configuration for standard mill spindle use
• Mill diameter tolerance of +0.000 / -0.002 inches for consistent fit in tight-tolerance work

Compatibility

Designed as a standard-shank square end mill with a 3/16-inch shank diameter, compatible with ER collet chucks, end mill holders, and similar toolholding systems sized for 3/16-inch shanks on CNC machining centers and manual milling machines.

Installation Notes

Installation should be performed by a qualified machinist with the machine spindle fully stopped and locked out before inserting or removing the tool. Ensure the collet or holder is clean and free of chips before seating the shank to the correct insertion depth. Verify spindle speed and feed rate are appropriate for the workpiece material and coating type before engaging the cut. Do not exceed the rated cutting diameter or length of cut when programming toolpaths.