Accupro 12178827 Square End Mill 1/8 in 2 Flute Carbide Ticn

Product Description

The ACCUPRO 12178827 is a solid carbide square end mill designed for precision milling operations in metal, composites, and hard materials. The 1/8 inch cutting diameter paired with a 40-degree helix angle and TiCN (Titanium Carbonitride) finish delivers improved chip evacuation and extended tool life in demanding cutting environments. With a 1 inch length of cut and 1-1/2 inch overall length, this is an extra-long configuration suited for reaching into slots, pockets, and stepped features where shorter tooling falls short. Machinist and tool and die professionals rely on this geometry for finishing passes and tight-tolerance work in CNC mills and machining centers.

This end mill is intended for use in light to medium milling applications on ferrous and non-ferrous workpiece materials. The centercutting design allows plunge entry directly into a workpiece, making it suitable for slot milling, profile milling, and pocket operations. The right-hand cut and right-hand spiral flute configuration is standard for conventional CNC spindle setups. The micrograin carbide substrate provides rigidity at small diameters where high-speed steel tooling loses accuracy under load.

Key Features

• TiCN finish for improved surface hardness and wear resistance over uncoated carbide
• 40-degree helix angle promotes smooth chip flow and reduces cutting forces
• Centercutting capable — supports plunge milling without a pre-drilled pilot hole
• Micrograin solid carbide substrate maintains dimensional stability at 1/8 inch diameter
• Extra-long length of cut (1 inch) extends reach into deep slots and pockets
• Right-hand cut, right-hand flute — compatible with standard CNC spindle rotation

Compatibility

Designed as an OEM-style replacement and standard tooling option for CNC machining centers and manual mills using 1/8 inch collets or ER-style tool holders with 1/8 inch bore capacity.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the spindle is fully powered down and the machine is in a safe state before changing tooling. Secure the shank in a collet or end mill holder to the full recommended engagement depth to minimize runout and prevent pullout under cutting loads. Do not exceed the tool manufacturer recommended speeds and feeds for the workpiece material and cut depth.