Accupro 12182571 Square End Mill 0.4331 in 4 Flute Carbide

Product Description

The ACCUPRO 12182571 is a solid carbide square end mill designed for precision milling operations in metalworking and machining environments. With a 0.4331-inch (11.00 mm) mill diameter and a 0.9843-inch (25.00 mm) length of cut, this tool delivers consistent material removal across a range of ferrous and non-ferrous workpiece materials. The TiCN (titanium carbonitride) coating improves surface hardness and wear resistance, extending tool life in demanding cutting conditions. Four spiral flutes at a 40-degree helix angle promote efficient chip evacuation and smooth cutting action. This end mill is installed and used by machinists and CNC operators in production and job-shop settings.

This end mill suits a wide range of milling applications including slotting, profiling, and peripheral milling on machining centers and manual mills. The regular-length geometry and 12.00 mm shank diameter make it compatible with standard ER and straight-bore collet systems commonly found in vertical machining centers. The centercutting design allows plunge cutting directly into the workpiece without a pre-drilled entry point. Micrograin carbide construction supports use in harder workpiece materials where high-speed steel tooling would wear prematurely.

Key Features

• Solid micrograin carbide construction for rigidity and wear resistance in hard materials
• TiCN coating for increased surface hardness and extended tool life
• 40-degree helix angle with spiral flutes for efficient chip evacuation
• Centercutting capable - allows direct plunge entry without pre-drilling
• Right-hand cut and right-hand flute configuration for standard spindle rotation
• Mill diameter tolerance of +0.000 / -0.002 inches for close-tolerance work

Compatibility

Designed as an OEM-style replacement or direct-use cutting tool for standard milling setups requiring a 0.4331-inch diameter, 4-flute solid carbide square end mill with a 12.00 mm shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Secure the shank fully within the collet or tool holder to the manufacturer-specified engagement depth before tightening. Ensure the spindle and machine are fully powered down and locked out before changing tooling. Verify runout with a dial indicator after seating to confirm proper tool holding before beginning a cut.