Accupro 12182946 Square End Mill 0.5in 4 Flute Carbide Altin

Product Description

The ACCUPRO 12182946 is a 4-flute solid carbide square end mill designed for high-performance milling in demanding metalworking and machining applications. Built from micrograin carbide and finished with an AlTiN (Aluminum Titanium Nitride) coating, it handles elevated cutting temperatures and abrasive materials without rapid wear. The 40-degree helix angle promotes efficient chip evacuation and reduces cutting forces. With a 0.5 inch diameter, a 0.625 inch length of cut, and a 2.5 inch overall length, this stub-length tool offers rigidity for accurate slotting, profiling, and peripheral milling operations. It is centercutting, allowing direct plunge entry into the workpiece.

This end mill is suited for milling ferrous and non-ferrous metals, including hardened steels, stainless steel, cast iron, and titanium alloys where AlTiN coatings deliver their best performance. The stub-length geometry minimizes deflection in tight setups or short-reach applications. Typical users include CNC machinists, toolroom operators, and production shops running vertical or horizontal machining centers. Right-hand cut and right-hand spiral flute orientation are standard for conventional CNC spindle setups.

Key Features

• Solid micrograin carbide construction for wear resistance and edge retention
• AlTiN finish extends tool life in high-heat, abrasive cutting environments
• 40-degree helix angle promotes smooth cutting action and efficient chip flow
• Centercutting design allows direct plunge milling without a pre-drilled hole
• Stub-length body reduces deflection and improves dimensional accuracy
• Right-hand cut, right-hand flute - compatible with standard CNC spindle rotation

Compatibility

Designed as a direct-fit replacement or standard tooling selection for 0.5 inch collets, end mill holders, shrink-fit holders, and Weldon-style tool holders accepting a 0.5 inch shank diameter.

Installation Notes

Installation should be performed by a qualified CNC machinist or toolroom technician. Ensure the machine spindle is fully stopped and the tool holder is clean and free of chips before seating the end mill. Verify shank engagement meets the minimum grip length recommended by the holder manufacturer. Confirm runout with a dial indicator after installation, as micrograin carbide tools are sensitive to excessive runout which accelerates edge chipping.