Accupro 12181283 Square End Mill 0.1575 in 2 Flute Altin

Product Description

The ACCUPRO 12181283 is a solid carbide square end mill designed for precision milling in ferrous and non-ferrous materials. It features a 0.1575-inch (4.00 mm) mill diameter and a 0.5512-inch (14.00 mm) length of cut, making it suited for slotting, profiling, and finishing passes in tight geometries. The micrograin carbide substrate provides rigidity and edge retention, while the AlTiN coating adds thermal resistance for dry or high-speed machining. With a 40-degree helix angle and spiral flute design, chip evacuation is efficient and cutting forces remain manageable across a range of materials.

This end mill is intended for use in CNC machining centers, vertical mills, and similar machine tool setups common in tool and die, mold making, aerospace component work, and general precision machining. The regular-length configuration and 4.00 mm shank diameter suit standard collet and end mill holder tooling. The 50.00 mm overall length keeps the tool compact and stable in short-reach applications. Installation and operation are handled by machinists and CNC operators working in shop environments.

Key Features

• Solid micrograin carbide construction for rigidity and edge retention
• AlTiN coating for thermal resistance and extended tool life in dry or high-speed cuts
• 40-degree helix angle promotes smooth chip flow and reduced cutting pressure
• Right-hand cut and right-hand flute orientation for standard spindle setups
• Centercutting design allows plunge milling capability
• Mill diameter tolerance of +0.000 / -0.002 inches for consistent fitment

Compatibility

Designed as a standard single-end square end mill for use with 4.00 mm collets or end mill holders in CNC machining centers and manual vertical mills requiring a 0.1575-inch diameter cutting tool.

Installation Notes

This tool is installed by machinists or CNC operators using appropriate collet chucks or end mill holders rated for the 4.00 mm shank diameter. Ensure the spindle is fully stopped and the machine is in a safe, locked-out state before changing tooling. Verify runout with a dial indicator after securing the tool, as excessive runout will accelerate wear and degrade cut quality. Follow the machine tool manufacturer and shop-standard feeds and speeds guidelines for carbide end mills with AlTiN coatings.