Accupro 12182572 Square End Mill 0.4331 in 4 Flute Carbide

Product Description

The ACCUPRO 12182572 is a solid carbide square end mill designed for precision milling in ferrous and non-ferrous metals. It features a 0.4331-inch (11.00 mm) mill diameter and a 0.9843-inch (25.00 mm) length of cut, with four spiral flutes ground to a 40-degree helix angle. The AlTiN coating provides heat resistance and extended tool life at elevated cutting speeds. Micrograin carbide construction delivers edge retention and dimensional stability under demanding cutting conditions. This tool is centercutting, allowing plunge entry directly into the workpiece. Right-hand cut and right-hand flute orientation are standard.

The 12182572 is suited for finish and semi-finish milling passes in steel, stainless, cast iron, and similar workpiece materials. The 40-degree helix and AlTiN finish make it a practical choice for higher-speed programs in CNC machining centers and manual knee mills. It fits applications where a regular-length, single-end square profile is needed for shoulder milling, slotting, and peripheral cuts. Overall length is 76.00 mm (approximately 2.992 inches) with a 12.00 mm shank diameter.

Key Features

• Solid micrograin carbide construction for edge retention in hard and abrasive materials
• AlTiN finish for heat resistance and extended tool life at elevated surface speeds
• 40-degree helix angle for efficient chip evacuation and reduced cutting forces
• Centercutting geometry allows direct plunge entry into the workpiece
• Four spiral flutes deliver a balance of chip clearance and surface finish quality
• Right-hand cut, right-hand flute — standard orientation for conventional CNC setups

Compatibility

Designed as a standard single-end square end mill with a 12.00 mm shank diameter, compatible with ER collet chucks, end mill holders, and shrink-fit toolholders sized for 12 mm shanks in CNC machining centers and manual mills.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the spindle is fully stopped and the machine is in a safe state before loading or removing cutting tools. Verify collet or toolholder runout before beginning a cut, as excessive runout accelerates edge wear on carbide tooling. Consult the machine tool and toolholder manufacturer guidelines for proper clamping torque and projection length.